Update docs (#291)

diff --git a/docs/dyn/compute_v1.instanceGroups.html b/docs/dyn/compute_v1.instanceGroups.html
index 3b7ab31..85fc2a3 100644
--- a/docs/dyn/compute_v1.instanceGroups.html
+++ b/docs/dyn/compute_v1.instanceGroups.html
@@ -78,7 +78,7 @@
   <code><a href="#addInstances">addInstances(project, zone, instanceGroup, body)</a></code></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>
+  <code><a href="#aggregatedList">aggregatedList(project, orderBy=None, 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="toc_element">
   <code><a href="#aggregatedList_next">aggregatedList_next(previous_request, previous_response)</a></code></p>
@@ -93,10 +93,10 @@
   <code><a href="#insert">insert(project, zone, body)</a></code></p>
 <p class="firstline">Creates an instance group in the specified project using the parameters that are included in the request.</p>
 <p class="toc_element">
-  <code><a href="#list">list(project, zone, maxResults=None, pageToken=None, filter=None)</a></code></p>
+  <code><a href="#list">list(project, zone, orderBy=None, maxResults=None, pageToken=None, filter=None)</a></code></p>
 <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>
+  <code><a href="#listInstances">listInstances(project, zone, instanceGroup, body, orderBy=None, maxResults=None, pageToken=None, filter=None)</a></code></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>
@@ -177,16 +177,21 @@
     },
     "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] The URL of the resource that the operation modifies.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies. If creating a persistent disk snapshot, this points to the persistent disk that the snapshot was created from.
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="aggregatedList">aggregatedList(project, maxResults=None, pageToken=None, filter=None)</code>
+    <code class="details" id="aggregatedList">aggregatedList(project, orderBy=None, maxResults=None, pageToken=None, filter=None)</code>
   <pre>Retrieves the list of instance groups and sorts them by zone.
 
 Args:
   project: string, Project ID for this request. (required)
+  orderBy: string, Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.
+
+You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
+
+Currently, only sorting by name or creationTimestamp desc is supported.
   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.
@@ -223,6 +228,7 @@
               "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
               "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 (for zonal resources).
+              "region": "A String", # The URL of the region where the instance group is located (for regional resources).
               "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. 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.
@@ -237,7 +243,7 @@
                 },
               ],
               "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 resource type. The server generates this identifier.
+              "id": "A String", # [Output Only] A unique identifier for this instance group, generated by the server.
               "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.
             },
@@ -319,7 +325,7 @@
     },
     "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] The URL of the resource that the operation modifies.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies. If creating a persistent disk snapshot, this points to the persistent disk that the snapshot was created from.
   }</pre>
 </div>
 
@@ -340,6 +346,7 @@
       "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
       "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 (for zonal resources).
+      "region": "A String", # The URL of the region where the instance group is located (for regional resources).
       "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. 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.
@@ -354,7 +361,7 @@
         },
       ],
       "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 resource type. The server generates this identifier.
+      "id": "A String", # [Output Only] A unique identifier for this instance group, generated by the server.
       "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>
@@ -375,6 +382,7 @@
     "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
     "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 (for zonal resources).
+    "region": "A String", # The URL of the region where the instance group is located (for regional resources).
     "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. 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.
@@ -389,7 +397,7 @@
       },
     ],
     "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 resource type. The server generates this identifier.
+    "id": "A String", # [Output Only] A unique identifier for this instance group, generated by the server.
     "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.
   }
@@ -441,17 +449,22 @@
     },
     "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] The URL of the resource that the operation modifies.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies. If creating a persistent disk snapshot, this points to the persistent disk that the snapshot was created from.
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="list">list(project, zone, maxResults=None, pageToken=None, filter=None)</code>
+    <code class="details" id="list">list(project, zone, orderBy=None, maxResults=None, pageToken=None, filter=None)</code>
   <pre>Retrieves the list of instance groups that are located in the specified project and zone.
 
 Args:
   project: string, Project ID for this request. (required)
   zone: string, The name of the zone where the instance group is located. (required)
+  orderBy: string, Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.
+
+You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
+
+Currently, only sorting by name or creationTimestamp desc is supported.
   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.
@@ -475,6 +488,7 @@
           "kind": "compute#instanceGroup", # [Output Only] The resource type, which is always compute#instanceGroup for instance groups.
           "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 (for zonal resources).
+          "region": "A String", # The URL of the region where the instance group is located (for regional resources).
           "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. 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.
@@ -489,7 +503,7 @@
             },
           ],
           "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 resource type. The server generates this identifier.
+          "id": "A String", # [Output Only] A unique identifier for this instance group, generated by the server.
           "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.
         },
@@ -501,7 +515,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="listInstances">listInstances(project, zone, instanceGroup, body, maxResults=None, pageToken=None, filter=None)</code>
+    <code class="details" id="listInstances">listInstances(project, zone, instanceGroup, body, orderBy=None, maxResults=None, pageToken=None, filter=None)</code>
   <pre>Lists the instances in the specified instance group.
 
 Args:
@@ -515,6 +529,11 @@
     "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.
   }
 
+  orderBy: string, Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.
+
+You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
+
+Currently, only sorting by name or creationTimestamp desc is supported.
   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.
@@ -644,7 +663,7 @@
     },
     "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] The URL of the resource that the operation modifies.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies. If creating a persistent disk snapshot, this points to the persistent disk that the snapshot was created from.
   }</pre>
 </div>
 
@@ -716,7 +735,7 @@
     },
     "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] The URL of the resource that the operation modifies.
+    "targetLink": "A String", # [Output Only] The URL of the resource that the operation modifies. If creating a persistent disk snapshot, this points to the persistent disk that the snapshot was created from.
   }</pre>
 </div>