Updated docs
diff --git a/docs/dyn/compute_v1.instanceGroups.html b/docs/dyn/compute_v1.instanceGroups.html
index ec3a115..de4935e 100644
--- a/docs/dyn/compute_v1.instanceGroups.html
+++ b/docs/dyn/compute_v1.instanceGroups.html
@@ -76,16 +76,16 @@
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#addInstances">addInstances(project, zone, instanceGroup, body)</a></code></p>
-<p class="firstline">Adds a list of instances to an instance group. All of the instances in the instance group must be in the same network.</p>
+<p class="firstline">Adds a list of instances to the specified instance group. All of the instances in the instance group must be in the same network/subnetwork. Read  Adding instances for more information.</p>
 <p class="toc_element">
   <code><a href="#aggregatedList">aggregatedList(project, maxResults=None, pageToken=None, filter=None)</a></code></p>
-<p class="firstline">Retrieves the list of instance groups, and sorts them by zone.</p>
+<p class="firstline">Retrieves the list of instance groups and sorts them by zone.</p>
 <p class="toc_element">
   <code><a href="#aggregatedList_next">aggregatedList_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
   <code><a href="#delete">delete(project, zone, instanceGroup)</a></code></p>
-<p class="firstline">Deletes the specified instance group.</p>
+<p class="firstline">Deletes the specified instance group. The instances in the group are not deleted. Note that instance group must not belong to a backend service. Read  Deleting an instance group for more information.</p>
 <p class="toc_element">
   <code><a href="#get">get(project, zone, instanceGroup)</a></code></p>
 <p class="firstline">Returns the specified instance group resource.</p>
@@ -97,7 +97,7 @@
 <p class="firstline">Retrieves the list of instance groups that are located in the specified project and zone.</p>
 <p class="toc_element">
   <code><a href="#listInstances">listInstances(project, zone, instanceGroup, body, maxResults=None, pageToken=None, filter=None)</a></code></p>
-<p class="firstline">Lists instances in an instance group. The parameters for this method specify whether the list filters instances by state and named ports information.</p>
+<p class="firstline">Lists the instances in the specified instance group.</p>
 <p class="toc_element">
   <code><a href="#listInstances_next">listInstances_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
@@ -106,26 +106,26 @@
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
   <code><a href="#removeInstances">removeInstances(project, zone, instanceGroup, body)</a></code></p>
-<p class="firstline">Removes a list of instances from an instance group.</p>
+<p class="firstline">Removes one or more instances from the specified instance group, but does not delete those instances.</p>
 <p class="toc_element">
   <code><a href="#setNamedPorts">setNamedPorts(project, zone, instanceGroup, body)</a></code></p>
-<p class="firstline">Sets the named ports in an instance group.</p>
+<p class="firstline">Sets the named ports for the specified instance group.</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="addInstances">addInstances(project, zone, instanceGroup, body)</code>
-  <pre>Adds a list of instances to an instance group. All of the instances in the instance group must be in the same network.
+  <pre>Adds a list of instances to the specified instance group. All of the instances in the instance group must be in the same network/subnetwork. Read  Adding instances for more information.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
   instanceGroup: string, The name of the instance group where you are adding instances. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
-    "instances": [ # The instances to add to the instance group.
+    "instances": [ # The list of instances to add to the instance group.
       {
-        "instance": "A String",
+        "instance": "A String", # The URL for a specific instance.
       },
     ],
   }
@@ -135,35 +135,37 @@
   An object of the form:
 
     { # An Operation resource, used to manage asynchronous API requests.
-    "targetId": "A String", # [Output Only] Unique target ID which identifies a particular incarnation of the target.
-    "clientOperationId": "A String", # [Output Only] An optional identifier specified by the client when the mutation was initiated. Must be unique for all Operation resources in the project.
+    "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
+    "clientOperationId": "A String", # [Output Only] Reserved for future use.
     "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
-    "id": "A String", # [Output Only] Unique identifier for the resource; defined by the server.
-    "zone": "A String", # [Output Only] URL of the zone where the operation resides.
-    "operationType": "A String", # [Output Only] Type of the operation, such as insert, update, and delete.
+    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only available when performing per-zone operations.
+    "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
+    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
     "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
-    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess at when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as 404.
+    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] Status of the operation. Can be one of the following: PENDING, RUNNING, or DONE.
-    "insertTime": "A String", # [Output Only] The time that this operation was requested. This is in RFC3339 text format.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
-        "message": "A String", # [Output Only] Optional human-readable details for this warning.
-        "code": "A String", # [Output Only] The warning type identifier for this warning.
-        "data": [ # [Output Only] Metadata for this warning in key: value format.
+        "message": "A String", # [Output Only] A human-readable description of the warning code.
+        "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
+        "data": [ # [Output Only] Metadata about this warning in key: value format. For example:
+            # "data": [ { "key": "scope", "value": "zones/us-east1-d" }
           {
             "value": "A String", # [Output Only] A warning data value corresponding to the key.
-            "key": "A String", # [Output Only] A key for the warning data.
+            "key": "A String", # [Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource, and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).
           },
         ],
       },
     ],
     "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
-    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#Operation for Operation resources.
+    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
     "name": "A String", # [Output Only] Name of the resource.
-    "region": "A String", # [Output Only] URL of the region where the operation resides. Only applicable for regional resources.
+    "region": "A String", # [Output Only] The URL of the region where the operation resides. Only available when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
         {
@@ -173,40 +175,45 @@
         },
       ],
     },
-    "endTime": "A String", # [Output Only] The time that this operation was completed. This is in RFC3339 text format.
+    "endTime": "A String", # [Output Only] The time that this operation was completed. This value is in RFC3339 text format.
     "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
-    "targetLink": "A String", # [Output Only] URL of the resource the operation is mutating.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies.
   }</pre>
 </div>
 
 <div class="method">
     <code class="details" id="aggregatedList">aggregatedList(project, maxResults=None, pageToken=None, filter=None)</code>
-  <pre>Retrieves the list of instance groups, and sorts them by zone.
+  <pre>Retrieves the list of instance groups and sorts them by zone.
 
 Args:
-  project: string, The project ID for this request. (required)
-  maxResults: integer, Maximum count of results to be returned.
-  pageToken: string, Specifies a page token to use. Use this parameter if you want to list the next page of results. Set pageToken to the nextPageToken returned by a previous list request.
-  filter: string, Sets a filter expression for filtering listed resources, in the form filter={expression}. Your {expression} must be in the format: FIELD_NAME COMPARISON_STRING LITERAL_STRING.
+  project: string, Project ID for this request. (required)
+  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests.
+  pageToken: string, Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.
+  filter: string, Sets a filter expression for filtering listed resources, in the form filter={expression}. Your {expression} must be in the format: field_name comparison_string literal_string.
 
-The FIELD_NAME is the name of the field you want to compare. Only atomic field types are supported (string, number, boolean). The COMPARISON_STRING must be either eq (equals) or ne (not equals). The LITERAL_STRING is the string value to filter to. The literal value must be valid for the type of field (string, number, boolean). For string fields, the literal value is interpreted as a regular expression using RE2 syntax. The literal value must match the entire field.
+The field_name is the name of the field you want to compare. Only atomic field types are supported (string, number, boolean). The comparison_string must be either eq (equals) or ne (not equals). The literal_string is the string value to filter to. The literal value must be valid for the type of field you are filtering by (string, number, boolean). For string fields, the literal value is interpreted as a regular expression using RE2 syntax. The literal value must match the entire field.
 
-For example, filter=name ne example-instance.
+For example, to filter for instances whose name is not equal to example-instance, you would use filter=name ne example-instance.
+
+Compute Engine Beta API Only: If you use filtering in the Beta API, you can also filter on nested fields. For example, you could filter on instances that have set the scheduling.automaticRestart field to true. In particular, use filtering on nested fields to take advantage of instance labels to organize and filter results based on label values.
+
+The Beta API also supports filtering on multiple expressions by providing each separate expression within parentheses. For example, (scheduling.automaticRestart eq true) (zone eq us-central1-f). Multiple expressions are treated as AND expressions meaning that resources must match all expressions to pass the filters.
 
 Returns:
   An object of the form:
 
     {
-    "nextPageToken": "A String", # [Output Only] A token that is used to continue a truncated list request.
+    "nextPageToken": "A String", # [Output Only] This token allows you to get the next page of results for list requests. If the number of results is larger than maxResults, use the nextPageToken as a value for the query parameter pageToken in the next list request. Subsequent list requests will have their own nextPageToken to continue paging through the results.
     "items": { # A map of scoped instance group lists.
       "a_key": { # The name of the scope that contains this set of instance groups.
         "warning": { # [Output Only] An informational warning that replaces the list of instance groups when the list is empty.
-          "message": "A String", # [Output Only] Optional human-readable details for this warning.
-          "code": "A String", # [Output Only] The warning type identifier for this warning.
-          "data": [ # [Output Only] Metadata for this warning in key: value format.
+          "message": "A String", # [Output Only] A human-readable description of the warning code.
+          "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
+          "data": [ # [Output Only] Metadata about this warning in key: value format. For example:
+              # "data": [ { "key": "scope", "value": "zones/us-east1-d" }
             {
               "value": "A String", # [Output Only] A warning data value corresponding to the key.
-              "key": "A String", # [Output Only] A key for the warning data.
+              "key": "A String", # [Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource, and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).
             },
           ],
         },
@@ -214,27 +221,32 @@
           {
               "size": 42, # [Output Only] The total number of instances in the instance group.
               "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
-              "description": "A String", # An optional text description for the instance group.
-              "zone": "A String", # The URL of the zone where the instance group is located.
+              "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+              "zone": "A String", # [Output Only] The URL of the zone where the instance group is located.
               "network": "A String", # The URL of the network to which all instances in the instance group belong.
-              "fingerprint": "A String", # [Output Only] The fingerprint of the named ports information. The system uses this fingerprint to detect conflicts when multiple users change the named ports information concurrently.
-              "namedPorts": [ # Assigns a name to a port number. For example: {name: ?http?, port: 80} This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: ?http?, port: 80},{name: "http", port: 8080}] Named ports apply to all instances in this instance group.
-                { # The named port information. For example: .
-                  "name": "A String", # The name for this NamedPort.
+              "fingerprint": "A String", # [Output Only] The fingerprint of the named ports. The system uses this fingerprint to detect conflicts when multiple users change the named ports concurrently.
+              "subnetwork": "A String", # The URL of the subnetwork to which all instances in the instance group belong.
+              "namedPorts": [ # Assigns a name to a port number. For example: {name: "http", port: 80}
+                  #
+                  # This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: "http", port: 80},{name: "http", port: 8080}]
+                  #
+                  # Named ports apply to all instances in this instance group.
+                { # The named port. For example: .
+                  "name": "A String", # The name for this named port. The name must be 1-63 characters long, and comply with RFC1035.
                   "port": 42, # The port number, which can be a value between 1 and 65535.
                 },
               ],
               "creationTimestamp": "A String", # [Output Only] The creation timestamp for this instance group in RFC3339 text format.
-              "id": "A String", # [Output Only] A unique identifier for this instance group. The server defines this identifier.
-              "selfLink": "A String", # [Output Only] The URL for this instance group. The server defines this URL.
+              "id": "A String", # [Output Only] A unique identifier for this resource type. The server generates this identifier.
+              "selfLink": "A String", # [Output Only] The URL for this instance group. The server generates this URL.
               "name": "A String", # The name of the instance group. The name must be 1-63 characters long, and comply with RFC1035.
             },
         ],
       },
     },
     "kind": "compute#instanceGroupAggregatedList", # [Output Only] The resource type, which is always compute#instanceGroupAggregatedList for aggregated lists of instance groups.
-    "id": "A String", # [Output Only] A unique identifier for this aggregated list of instance groups. The server defines this identifier.
-    "selfLink": "A String", # [Output Only] A unique identifier for this aggregated list of instance groups. The server defines this identifier.
+    "id": "A String", # [Output Only] A unique identifier for this aggregated list of instance groups. The server generates this identifier.
+    "selfLink": "A String", # [Output Only] The URL for this resource type. The server generates this URL.
   }</pre>
 </div>
 
@@ -254,46 +266,48 @@
 
 <div class="method">
     <code class="details" id="delete">delete(project, zone, instanceGroup)</code>
-  <pre>Deletes the specified instance group.
+  <pre>Deletes the specified instance group. The instances in the group are not deleted. Note that instance group must not belong to a backend service. Read  Deleting an instance group for more information.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
   instanceGroup: string, The name of the instance group to delete. (required)
 
 Returns:
   An object of the form:
 
     { # An Operation resource, used to manage asynchronous API requests.
-    "targetId": "A String", # [Output Only] Unique target ID which identifies a particular incarnation of the target.
-    "clientOperationId": "A String", # [Output Only] An optional identifier specified by the client when the mutation was initiated. Must be unique for all Operation resources in the project.
+    "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
+    "clientOperationId": "A String", # [Output Only] Reserved for future use.
     "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
-    "id": "A String", # [Output Only] Unique identifier for the resource; defined by the server.
-    "zone": "A String", # [Output Only] URL of the zone where the operation resides.
-    "operationType": "A String", # [Output Only] Type of the operation, such as insert, update, and delete.
+    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only available when performing per-zone operations.
+    "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
+    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
     "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
-    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess at when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as 404.
+    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] Status of the operation. Can be one of the following: PENDING, RUNNING, or DONE.
-    "insertTime": "A String", # [Output Only] The time that this operation was requested. This is in RFC3339 text format.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
-        "message": "A String", # [Output Only] Optional human-readable details for this warning.
-        "code": "A String", # [Output Only] The warning type identifier for this warning.
-        "data": [ # [Output Only] Metadata for this warning in key: value format.
+        "message": "A String", # [Output Only] A human-readable description of the warning code.
+        "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
+        "data": [ # [Output Only] Metadata about this warning in key: value format. For example:
+            # "data": [ { "key": "scope", "value": "zones/us-east1-d" }
           {
             "value": "A String", # [Output Only] A warning data value corresponding to the key.
-            "key": "A String", # [Output Only] A key for the warning data.
+            "key": "A String", # [Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource, and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).
           },
         ],
       },
     ],
     "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
-    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#Operation for Operation resources.
+    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
     "name": "A String", # [Output Only] Name of the resource.
-    "region": "A String", # [Output Only] URL of the region where the operation resides. Only applicable for regional resources.
+    "region": "A String", # [Output Only] The URL of the region where the operation resides. Only available when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
         {
@@ -303,9 +317,9 @@
         },
       ],
     },
-    "endTime": "A String", # [Output Only] The time that this operation was completed. This is in RFC3339 text format.
+    "endTime": "A String", # [Output Only] The time that this operation was completed. This value is in RFC3339 text format.
     "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
-    "targetLink": "A String", # [Output Only] URL of the resource the operation is mutating.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies.
   }</pre>
 </div>
 
@@ -314,8 +328,8 @@
   <pre>Returns the specified instance group resource.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
   instanceGroup: string, The name of the instance group. (required)
 
 Returns:
@@ -324,19 +338,24 @@
     {
       "size": 42, # [Output Only] The total number of instances in the instance group.
       "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
-      "description": "A String", # An optional text description for the instance group.
-      "zone": "A String", # The URL of the zone where the instance group is located.
+      "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+      "zone": "A String", # [Output Only] The URL of the zone where the instance group is located.
       "network": "A String", # The URL of the network to which all instances in the instance group belong.
-      "fingerprint": "A String", # [Output Only] The fingerprint of the named ports information. The system uses this fingerprint to detect conflicts when multiple users change the named ports information concurrently.
-      "namedPorts": [ # Assigns a name to a port number. For example: {name: ?http?, port: 80} This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: ?http?, port: 80},{name: "http", port: 8080}] Named ports apply to all instances in this instance group.
-        { # The named port information. For example: .
-          "name": "A String", # The name for this NamedPort.
+      "fingerprint": "A String", # [Output Only] The fingerprint of the named ports. The system uses this fingerprint to detect conflicts when multiple users change the named ports concurrently.
+      "subnetwork": "A String", # The URL of the subnetwork to which all instances in the instance group belong.
+      "namedPorts": [ # Assigns a name to a port number. For example: {name: "http", port: 80}
+          #
+          # This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: "http", port: 80},{name: "http", port: 8080}]
+          #
+          # Named ports apply to all instances in this instance group.
+        { # The named port. For example: .
+          "name": "A String", # The name for this named port. The name must be 1-63 characters long, and comply with RFC1035.
           "port": 42, # The port number, which can be a value between 1 and 65535.
         },
       ],
       "creationTimestamp": "A String", # [Output Only] The creation timestamp for this instance group in RFC3339 text format.
-      "id": "A String", # [Output Only] A unique identifier for this instance group. The server defines this identifier.
-      "selfLink": "A String", # [Output Only] The URL for this instance group. The server defines this URL.
+      "id": "A String", # [Output Only] A unique identifier for this resource type. The server generates this identifier.
+      "selfLink": "A String", # [Output Only] The URL for this instance group. The server generates this URL.
       "name": "A String", # The name of the instance group. The name must be 1-63 characters long, and comply with RFC1035.
     }</pre>
 </div>
@@ -346,27 +365,32 @@
   <pre>Creates an instance group in the specified project using the parameters that are included in the request.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where you want to create the instance group. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
     "size": 42, # [Output Only] The total number of instances in the instance group.
     "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
-    "description": "A String", # An optional text description for the instance group.
-    "zone": "A String", # The URL of the zone where the instance group is located.
+    "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+    "zone": "A String", # [Output Only] The URL of the zone where the instance group is located.
     "network": "A String", # The URL of the network to which all instances in the instance group belong.
-    "fingerprint": "A String", # [Output Only] The fingerprint of the named ports information. The system uses this fingerprint to detect conflicts when multiple users change the named ports information concurrently.
-    "namedPorts": [ # Assigns a name to a port number. For example: {name: ?http?, port: 80} This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: ?http?, port: 80},{name: "http", port: 8080}] Named ports apply to all instances in this instance group.
-      { # The named port information. For example: .
-        "name": "A String", # The name for this NamedPort.
+    "fingerprint": "A String", # [Output Only] The fingerprint of the named ports. The system uses this fingerprint to detect conflicts when multiple users change the named ports concurrently.
+    "subnetwork": "A String", # The URL of the subnetwork to which all instances in the instance group belong.
+    "namedPorts": [ # Assigns a name to a port number. For example: {name: "http", port: 80}
+        # 
+        # This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: "http", port: 80},{name: "http", port: 8080}]
+        # 
+        # Named ports apply to all instances in this instance group.
+      { # The named port. For example: .
+        "name": "A String", # The name for this named port. The name must be 1-63 characters long, and comply with RFC1035.
         "port": 42, # The port number, which can be a value between 1 and 65535.
       },
     ],
     "creationTimestamp": "A String", # [Output Only] The creation timestamp for this instance group in RFC3339 text format.
-    "id": "A String", # [Output Only] A unique identifier for this instance group. The server defines this identifier.
-    "selfLink": "A String", # [Output Only] The URL for this instance group. The server defines this URL.
+    "id": "A String", # [Output Only] A unique identifier for this resource type. The server generates this identifier.
+    "selfLink": "A String", # [Output Only] The URL for this instance group. The server generates this URL.
     "name": "A String", # The name of the instance group. The name must be 1-63 characters long, and comply with RFC1035.
   }
 
@@ -375,35 +399,37 @@
   An object of the form:
 
     { # An Operation resource, used to manage asynchronous API requests.
-    "targetId": "A String", # [Output Only] Unique target ID which identifies a particular incarnation of the target.
-    "clientOperationId": "A String", # [Output Only] An optional identifier specified by the client when the mutation was initiated. Must be unique for all Operation resources in the project.
+    "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
+    "clientOperationId": "A String", # [Output Only] Reserved for future use.
     "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
-    "id": "A String", # [Output Only] Unique identifier for the resource; defined by the server.
-    "zone": "A String", # [Output Only] URL of the zone where the operation resides.
-    "operationType": "A String", # [Output Only] Type of the operation, such as insert, update, and delete.
+    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only available when performing per-zone operations.
+    "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
+    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
     "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
-    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess at when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as 404.
+    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] Status of the operation. Can be one of the following: PENDING, RUNNING, or DONE.
-    "insertTime": "A String", # [Output Only] The time that this operation was requested. This is in RFC3339 text format.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
-        "message": "A String", # [Output Only] Optional human-readable details for this warning.
-        "code": "A String", # [Output Only] The warning type identifier for this warning.
-        "data": [ # [Output Only] Metadata for this warning in key: value format.
+        "message": "A String", # [Output Only] A human-readable description of the warning code.
+        "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
+        "data": [ # [Output Only] Metadata about this warning in key: value format. For example:
+            # "data": [ { "key": "scope", "value": "zones/us-east1-d" }
           {
             "value": "A String", # [Output Only] A warning data value corresponding to the key.
-            "key": "A String", # [Output Only] A key for the warning data.
+            "key": "A String", # [Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource, and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).
           },
         ],
       },
     ],
     "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
-    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#Operation for Operation resources.
+    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
     "name": "A String", # [Output Only] Name of the resource.
-    "region": "A String", # [Output Only] URL of the region where the operation resides. Only applicable for regional resources.
+    "region": "A String", # [Output Only] The URL of the region where the operation resides. Only available when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
         {
@@ -413,9 +439,9 @@
         },
       ],
     },
-    "endTime": "A String", # [Output Only] The time that this operation was completed. This is in RFC3339 text format.
+    "endTime": "A String", # [Output Only] The time that this operation was completed. This value is in RFC3339 text format.
     "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
-    "targetLink": "A String", # [Output Only] URL of the resource the operation is mutating.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies.
   }</pre>
 </div>
 
@@ -424,54 +450,63 @@
   <pre>Retrieves the list of instance groups that are located in the specified project and zone.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
-  maxResults: integer, Maximum count of results to be returned.
-  pageToken: string, Specifies a page token to use. Use this parameter if you want to list the next page of results. Set pageToken to the nextPageToken returned by a previous list request.
-  filter: string, Sets a filter expression for filtering listed resources, in the form filter={expression}. Your {expression} must be in the format: FIELD_NAME COMPARISON_STRING LITERAL_STRING.
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
+  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests.
+  pageToken: string, Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.
+  filter: string, Sets a filter expression for filtering listed resources, in the form filter={expression}. Your {expression} must be in the format: field_name comparison_string literal_string.
 
-The FIELD_NAME is the name of the field you want to compare. Only atomic field types are supported (string, number, boolean). The COMPARISON_STRING must be either eq (equals) or ne (not equals). The LITERAL_STRING is the string value to filter to. The literal value must be valid for the type of field (string, number, boolean). For string fields, the literal value is interpreted as a regular expression using RE2 syntax. The literal value must match the entire field.
+The field_name is the name of the field you want to compare. Only atomic field types are supported (string, number, boolean). The comparison_string must be either eq (equals) or ne (not equals). The literal_string is the string value to filter to. The literal value must be valid for the type of field you are filtering by (string, number, boolean). For string fields, the literal value is interpreted as a regular expression using RE2 syntax. The literal value must match the entire field.
 
-For example, filter=name ne example-instance.
+For example, to filter for instances whose name is not equal to example-instance, you would use filter=name ne example-instance.
+
+Compute Engine Beta API Only: If you use filtering in the Beta API, you can also filter on nested fields. For example, you could filter on instances that have set the scheduling.automaticRestart field to true. In particular, use filtering on nested fields to take advantage of instance labels to organize and filter results based on label values.
+
+The Beta API also supports filtering on multiple expressions by providing each separate expression within parentheses. For example, (scheduling.automaticRestart eq true) (zone eq us-central1-f). Multiple expressions are treated as AND expressions meaning that resources must match all expressions to pass the filters.
 
 Returns:
   An object of the form:
 
     { # A list of InstanceGroup resources.
-    "nextPageToken": "A String", # [Output Only] A token that is used to continue a truncated list request.
-    "items": [ # A list of InstanceGroup resources.
+    "nextPageToken": "A String", # [Output Only] This token allows you to get the next page of results for list requests. If the number of results is larger than maxResults, use the nextPageToken as a value for the query parameter pageToken in the next list request. Subsequent list requests will have their own nextPageToken to continue paging through the results.
+    "items": [ # A list of instance groups.
       {
           "size": 42, # [Output Only] The total number of instances in the instance group.
           "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
-          "description": "A String", # An optional text description for the instance group.
-          "zone": "A String", # The URL of the zone where the instance group is located.
+          "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+          "zone": "A String", # [Output Only] The URL of the zone where the instance group is located.
           "network": "A String", # The URL of the network to which all instances in the instance group belong.
-          "fingerprint": "A String", # [Output Only] The fingerprint of the named ports information. The system uses this fingerprint to detect conflicts when multiple users change the named ports information concurrently.
-          "namedPorts": [ # Assigns a name to a port number. For example: {name: ?http?, port: 80} This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: ?http?, port: 80},{name: "http", port: 8080}] Named ports apply to all instances in this instance group.
-            { # The named port information. For example: .
-              "name": "A String", # The name for this NamedPort.
+          "fingerprint": "A String", # [Output Only] The fingerprint of the named ports. The system uses this fingerprint to detect conflicts when multiple users change the named ports concurrently.
+          "subnetwork": "A String", # The URL of the subnetwork to which all instances in the instance group belong.
+          "namedPorts": [ # Assigns a name to a port number. For example: {name: "http", port: 80}
+              #
+              # This allows the system to reference ports by the assigned name instead of a port number. Named ports can also contain multiple ports. For example: [{name: "http", port: 80},{name: "http", port: 8080}]
+              #
+              # Named ports apply to all instances in this instance group.
+            { # The named port. For example: .
+              "name": "A String", # The name for this named port. The name must be 1-63 characters long, and comply with RFC1035.
               "port": 42, # The port number, which can be a value between 1 and 65535.
             },
           ],
           "creationTimestamp": "A String", # [Output Only] The creation timestamp for this instance group in RFC3339 text format.
-          "id": "A String", # [Output Only] A unique identifier for this instance group. The server defines this identifier.
-          "selfLink": "A String", # [Output Only] The URL for this instance group. The server defines this URL.
+          "id": "A String", # [Output Only] A unique identifier for this resource type. The server generates this identifier.
+          "selfLink": "A String", # [Output Only] The URL for this instance group. The server generates this URL.
           "name": "A String", # The name of the instance group. The name must be 1-63 characters long, and comply with RFC1035.
         },
     ],
     "kind": "compute#instanceGroupList", # [Output Only] The resource type, which is always compute#instanceGroupList for instance group lists.
-    "id": "A String", # [Output Only] A unique identifier for this list of instance groups. The server defines this identifier.
-    "selfLink": "A String", # [Output Only] The URL for this instance group. The server defines this URL.
+    "id": "A String", # [Output Only] A unique identifier for this list of instance groups. The server generates this identifier.
+    "selfLink": "A String", # [Output Only] The URL for this resource type. The server generates this URL.
   }</pre>
 </div>
 
 <div class="method">
     <code class="details" id="listInstances">listInstances(project, zone, instanceGroup, body, maxResults=None, pageToken=None, filter=None)</code>
-  <pre>Lists instances in an instance group. The parameters for this method specify whether the list filters instances by state and named ports information.
+  <pre>Lists the instances in the specified instance group.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
   instanceGroup: string, The name of the instance group from which you want to generate a list of included instances. (required)
   body: object, The request body. (required)
     The object takes the form of:
@@ -480,34 +515,38 @@
     "instanceState": "A String", # A filter for the state of the instances in the instance group. Valid options are ALL or RUNNING. If you do not specify this parameter the list includes all instances regardless of their state.
   }
 
-  maxResults: integer, Maximum count of results to be returned.
-  pageToken: string, Specifies a page token to use. Use this parameter if you want to list the next page of results. Set pageToken to the nextPageToken returned by a previous list request.
-  filter: string, Sets a filter expression for filtering listed resources, in the form filter={expression}. Your {expression} must be in the format: FIELD_NAME COMPARISON_STRING LITERAL_STRING.
+  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests.
+  pageToken: string, Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.
+  filter: string, Sets a filter expression for filtering listed resources, in the form filter={expression}. Your {expression} must be in the format: field_name comparison_string literal_string.
 
-The FIELD_NAME is the name of the field you want to compare. Only atomic field types are supported (string, number, boolean). The COMPARISON_STRING must be either eq (equals) or ne (not equals). The LITERAL_STRING is the string value to filter to. The literal value must be valid for the type of field (string, number, boolean). For string fields, the literal value is interpreted as a regular expression using RE2 syntax. The literal value must match the entire field.
+The field_name is the name of the field you want to compare. Only atomic field types are supported (string, number, boolean). The comparison_string must be either eq (equals) or ne (not equals). The literal_string is the string value to filter to. The literal value must be valid for the type of field you are filtering by (string, number, boolean). For string fields, the literal value is interpreted as a regular expression using RE2 syntax. The literal value must match the entire field.
 
-For example, filter=name ne example-instance.
+For example, to filter for instances whose name is not equal to example-instance, you would use filter=name ne example-instance.
+
+Compute Engine Beta API Only: If you use filtering in the Beta API, you can also filter on nested fields. For example, you could filter on instances that have set the scheduling.automaticRestart field to true. In particular, use filtering on nested fields to take advantage of instance labels to organize and filter results based on label values.
+
+The Beta API also supports filtering on multiple expressions by providing each separate expression within parentheses. For example, (scheduling.automaticRestart eq true) (zone eq us-central1-f). Multiple expressions are treated as AND expressions meaning that resources must match all expressions to pass the filters.
 
 Returns:
   An object of the form:
 
     {
-    "nextPageToken": "A String", # [Output Only] A token that is used to continue a truncated list request.
-    "items": [ # A list of InstanceWithNamedPorts resources, which contains all named ports for the given instance.
+    "nextPageToken": "A String", # [Output Only] This token allows you to get the next page of results for list requests. If the number of results is larger than maxResults, use the nextPageToken as a value for the query parameter pageToken in the next list request. Subsequent list requests will have their own nextPageToken to continue paging through the results.
+    "items": [ # [Output Only] A list of instances and any named ports that are assigned to those instances.
       {
-        "status": "A String", # The status of the instance.
-        "instance": "A String", # The URL of the instance.
-        "namedPorts": [ # The named ports that belong to this instance group.
-          { # The named port information. For example: .
-            "name": "A String", # The name for this NamedPort.
+        "status": "A String", # [Output Only] The status of the instance.
+        "instance": "A String", # [Output Only] The URL of the instance.
+        "namedPorts": [ # [Output Only] The named ports that belong to this instance group.
+          { # The named port. For example: .
+            "name": "A String", # The name for this named port. The name must be 1-63 characters long, and comply with RFC1035.
             "port": 42, # The port number, which can be a value between 1 and 65535.
           },
         ],
       },
     ],
     "kind": "compute#instanceGroupsListInstances", # [Output Only] The resource type, which is always compute#instanceGroupsListInstances for lists of instance groups.
-    "id": "A String", # [Output Only] A unique identifier for this list of instance groups. The server defines this identifier.
-    "selfLink": "A String", # [Output Only] The URL for this list of instance groups. The server defines this URL.
+    "id": "A String", # [Output Only] A unique identifier for this list of instance groups. The server generates this identifier.
+    "selfLink": "A String", # [Output Only] The URL for this list of instance groups. The server generates this URL.
   }</pre>
 </div>
 
@@ -541,19 +580,19 @@
 
 <div class="method">
     <code class="details" id="removeInstances">removeInstances(project, zone, instanceGroup, body)</code>
-  <pre>Removes a list of instances from an instance group.
+  <pre>Removes one or more instances from the specified instance group, but does not delete those instances.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
   instanceGroup: string, The name of the instance group where the specified instances will be removed. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
-    "instances": [ # The instances to remove from the instance group.
+    "instances": [ # The list of instances to remove from the instance group.
       {
-        "instance": "A String",
+        "instance": "A String", # The URL for a specific instance.
       },
     ],
   }
@@ -563,35 +602,37 @@
   An object of the form:
 
     { # An Operation resource, used to manage asynchronous API requests.
-    "targetId": "A String", # [Output Only] Unique target ID which identifies a particular incarnation of the target.
-    "clientOperationId": "A String", # [Output Only] An optional identifier specified by the client when the mutation was initiated. Must be unique for all Operation resources in the project.
+    "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
+    "clientOperationId": "A String", # [Output Only] Reserved for future use.
     "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
-    "id": "A String", # [Output Only] Unique identifier for the resource; defined by the server.
-    "zone": "A String", # [Output Only] URL of the zone where the operation resides.
-    "operationType": "A String", # [Output Only] Type of the operation, such as insert, update, and delete.
+    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only available when performing per-zone operations.
+    "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
+    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
     "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
-    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess at when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as 404.
+    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] Status of the operation. Can be one of the following: PENDING, RUNNING, or DONE.
-    "insertTime": "A String", # [Output Only] The time that this operation was requested. This is in RFC3339 text format.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
-        "message": "A String", # [Output Only] Optional human-readable details for this warning.
-        "code": "A String", # [Output Only] The warning type identifier for this warning.
-        "data": [ # [Output Only] Metadata for this warning in key: value format.
+        "message": "A String", # [Output Only] A human-readable description of the warning code.
+        "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
+        "data": [ # [Output Only] Metadata about this warning in key: value format. For example:
+            # "data": [ { "key": "scope", "value": "zones/us-east1-d" }
           {
             "value": "A String", # [Output Only] A warning data value corresponding to the key.
-            "key": "A String", # [Output Only] A key for the warning data.
+            "key": "A String", # [Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource, and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).
           },
         ],
       },
     ],
     "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
-    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#Operation for Operation resources.
+    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
     "name": "A String", # [Output Only] Name of the resource.
-    "region": "A String", # [Output Only] URL of the region where the operation resides. Only applicable for regional resources.
+    "region": "A String", # [Output Only] The URL of the region where the operation resides. Only available when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
         {
@@ -601,31 +642,31 @@
         },
       ],
     },
-    "endTime": "A String", # [Output Only] The time that this operation was completed. This is in RFC3339 text format.
+    "endTime": "A String", # [Output Only] The time that this operation was completed. This value is in RFC3339 text format.
     "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
-    "targetLink": "A String", # [Output Only] URL of the resource the operation is mutating.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies.
   }</pre>
 </div>
 
 <div class="method">
     <code class="details" id="setNamedPorts">setNamedPorts(project, zone, instanceGroup, body)</code>
-  <pre>Sets the named ports in an instance group.
+  <pre>Sets the named ports for the specified instance group.
 
 Args:
-  project: string, The project ID for this request. (required)
-  zone: string, The URL of the zone where the instance group is located. (required)
+  project: string, Project ID for this request. (required)
+  zone: string, The name of the zone where the instance group is located. (required)
   instanceGroup: string, The name of the instance group where the named ports are updated. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
 {
     "namedPorts": [ # The list of named ports to set for this instance group.
-      { # The named port information. For example: .
-        "name": "A String", # The name for this NamedPort.
+      { # The named port. For example: .
+        "name": "A String", # The name for this named port. The name must be 1-63 characters long, and comply with RFC1035.
         "port": 42, # The port number, which can be a value between 1 and 65535.
       },
     ],
-    "fingerprint": "A String", # The fingerprint of the named ports information, which is a hash of the contents. Use this field for optimistic locking when you update the named ports entries.
+    "fingerprint": "A String", # The fingerprint of the named ports information for this instance group. Use this optional property to prevent conflicts when multiple users change the named ports settings concurrently. Obtain the fingerprint with the instanceGroups.get method. Then, include the fingerprint in your request to ensure that you do not overwrite changes that were applied from another concurrent request.
   }
 
 
@@ -633,35 +674,37 @@
   An object of the form:
 
     { # An Operation resource, used to manage asynchronous API requests.
-    "targetId": "A String", # [Output Only] Unique target ID which identifies a particular incarnation of the target.
-    "clientOperationId": "A String", # [Output Only] An optional identifier specified by the client when the mutation was initiated. Must be unique for all Operation resources in the project.
+    "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
+    "clientOperationId": "A String", # [Output Only] Reserved for future use.
     "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
-    "id": "A String", # [Output Only] Unique identifier for the resource; defined by the server.
-    "zone": "A String", # [Output Only] URL of the zone where the operation resides.
-    "operationType": "A String", # [Output Only] Type of the operation, such as insert, update, and delete.
+    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only available when performing per-zone operations.
+    "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
+    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
     "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
-    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess at when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as 404.
+    "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] Status of the operation. Can be one of the following: PENDING, RUNNING, or DONE.
-    "insertTime": "A String", # [Output Only] The time that this operation was requested. This is in RFC3339 text format.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
-        "message": "A String", # [Output Only] Optional human-readable details for this warning.
-        "code": "A String", # [Output Only] The warning type identifier for this warning.
-        "data": [ # [Output Only] Metadata for this warning in key: value format.
+        "message": "A String", # [Output Only] A human-readable description of the warning code.
+        "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
+        "data": [ # [Output Only] Metadata about this warning in key: value format. For example:
+            # "data": [ { "key": "scope", "value": "zones/us-east1-d" }
           {
             "value": "A String", # [Output Only] A warning data value corresponding to the key.
-            "key": "A String", # [Output Only] A key for the warning data.
+            "key": "A String", # [Output Only] A key that provides more detail on the warning being returned. For example, for warnings where there are no results in a list request for a particular zone, this key might be scope and the key value might be the zone name. Other examples might be a key indicating a deprecated resource, and a suggested replacement, or a warning about invalid network settings (for example, if an instance attempts to perform IP forwarding but is not enabled for IP forwarding).
           },
         ],
       },
     ],
     "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
-    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#Operation for Operation resources.
+    "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
     "name": "A String", # [Output Only] Name of the resource.
-    "region": "A String", # [Output Only] URL of the region where the operation resides. Only applicable for regional resources.
+    "region": "A String", # [Output Only] The URL of the region where the operation resides. Only available when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
         {
@@ -671,9 +714,9 @@
         },
       ],
     },
-    "endTime": "A String", # [Output Only] The time that this operation was completed. This is in RFC3339 text format.
+    "endTime": "A String", # [Output Only] The time that this operation was completed. This value is in RFC3339 text format.
     "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
-    "targetLink": "A String", # [Output Only] URL of the resource the operation is mutating.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies.
   }</pre>
 </div>