Update docs for 1.4.1 release
diff --git a/docs/dyn/pubsub_v1beta2.projects.topics.subscriptions.html b/docs/dyn/pubsub_v1beta2.projects.topics.subscriptions.html
index 94451ef..5091d5a 100644
--- a/docs/dyn/pubsub_v1beta2.projects.topics.subscriptions.html
+++ b/docs/dyn/pubsub_v1beta2.projects.topics.subscriptions.html
@@ -75,27 +75,28 @@
 <h1><a href="pubsub_v1beta2.html">Google Cloud Pub/Sub API</a> . <a href="pubsub_v1beta2.projects.html">projects</a> . <a href="pubsub_v1beta2.projects.topics.html">topics</a> . <a href="pubsub_v1beta2.projects.topics.subscriptions.html">subscriptions</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#list">list(topic, pageSize=None, pageToken=None)</a></code></p>
+  <code><a href="#list">list(topic, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Lists the name of the subscriptions for this topic.</p>
 <p class="toc_element">
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="list">list(topic, pageSize=None, pageToken=None)</code>
+    <code class="details" id="list">list(topic, pageSize=None, pageToken=None, x__xgafv=None)</code>
   <pre>Lists the name of the subscriptions for this topic.
 
 Args:
-  topic: string, A parameter (required)
-  pageSize: integer, A parameter
-  pageToken: string, A parameter
+  topic: string, The name of the topic that subscriptions are attached to. (required)
+  pageSize: integer, Maximum number of subscription names to return.
+  pageToken: string, The value returned by the last ListTopicSubscriptionsResponse; indicates that this is a continuation of a prior ListTopicSubscriptions call, and that the system should return the next page of data.
+  x__xgafv: string, V1 error format.
 
 Returns:
   An object of the form:
 
-    {
-    "nextPageToken": "A String",
-    "subscriptions": [
+    { # Response for the ListTopicSubscriptions method.
+    "nextPageToken": "A String", # If not empty, indicates that there may be more subscriptions that match the request; this value should be passed in a new ListTopicSubscriptionsRequest to get more subscriptions.
+    "subscriptions": [ # The names of the subscriptions that match the request.
       "A String",
     ],
   }</pre>