Update docs for 1.4.1 release
diff --git a/docs/dyn/compute_v1.disks.html b/docs/dyn/compute_v1.disks.html
index aa9ddad..648f72e 100644
--- a/docs/dyn/compute_v1.disks.html
+++ b/docs/dyn/compute_v1.disks.html
@@ -82,7 +82,7 @@
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
   <code><a href="#createSnapshot">createSnapshot(project, zone, disk, body)</a></code></p>
-<p class="firstline">A description of how to use this function</p>
+<p class="firstline">Creates a snapshot of this disk.</p>
 <p class="toc_element">
   <code><a href="#delete">delete(project, zone, disk)</a></code></p>
 <p class="firstline">Deletes the specified persistent disk.</p>
@@ -105,9 +105,9 @@
 
 Args:
   project: string, Project ID for this request. (required)
-  maxResults: integer, Optional. Maximum count of results to be returned. Maximum value is 500 and default value is 500.
-  pageToken: string, Optional. Tag returned by a previous list request truncated by maxResults. Used to continue a previous list request.
-  filter: string, Optional. Filter expression for filtering listed resources.
+  maxResults: integer, Maximum count of results to be returned.
+  pageToken: string, Tag returned by a previous list request when that list was truncated to maxResults. Used to continue a previous list request.
+  filter: string, Filter expression for filtering listed resources.
 
 Returns:
   An object of the form:
@@ -187,7 +187,7 @@
 
 <div class="method">
     <code class="details" id="createSnapshot">createSnapshot(project, zone, disk, body)</code>
-  <pre>A description of how to use this function
+  <pre>Creates a snapshot of this disk.
 
 Args:
   project: string, Project ID for this request. (required)
@@ -220,13 +220,13 @@
 
     { # 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
+    "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.
     "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.
     "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 be monotonically increasing as the operation progresses.
+    "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.
     "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.
@@ -277,13 +277,13 @@
 
     { # 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
+    "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.
     "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.
     "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 be monotonically increasing as the operation progresses.
+    "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.
     "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.
@@ -422,13 +422,13 @@
 
     { # 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
+    "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.
     "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.
     "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 be monotonically increasing as the operation progresses.
+    "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.
     "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.
@@ -472,9 +472,9 @@
 Args:
   project: string, Project ID for this request. (required)
   zone: string, The name of the zone for this request. (required)
-  maxResults: integer, Optional. Maximum count of results to be returned. Maximum value is 500 and default value is 500.
-  pageToken: string, Optional. Tag returned by a previous list request truncated by maxResults. Used to continue a previous list request.
-  filter: string, Optional. Filter expression for filtering listed resources.
+  maxResults: integer, Maximum count of results to be returned.
+  pageToken: string, Tag returned by a previous list request when that list was truncated to maxResults. Used to continue a previous list request.
+  filter: string, Filter expression for filtering listed resources.
 
 Returns:
   An object of the form: