Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/appsactivity_v1.activities.html b/docs/dyn/appsactivity_v1.activities.html
index 0b18f3d..d979400 100644
--- a/docs/dyn/appsactivity_v1.activities.html
+++ b/docs/dyn/appsactivity_v1.activities.html
@@ -72,18 +72,18 @@
 
 </style>
 
-<h1><a href="appsactivity_v1.html">G Suite Activity API</a> . <a href="appsactivity_v1.activities.html">activities</a></h1>
+<h1><a href="appsactivity_v1.html">Drive Activity API</a> . <a href="appsactivity_v1.activities.html">activities</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#list">list(pageSize=None, source=None, groupingStrategy=None, userId=None, drive_ancestorId=None, pageToken=None, drive_fileId=None)</a></code></p>
-<p class="firstline">Returns a list of activities visible to the current logged in user. Visible activities are determined by the visiblity settings of the object that was acted on, e.g. Drive files a user can see. An activity is a record of past events. Multiple events may be merged if they are similar. A request is scoped to activities from a given Google service using the source parameter.</p>
+<p class="firstline">Returns a list of activities visible to the current logged in user. Visible activities are determined by the visibility settings of the object that was acted on, e.g. Drive files a user can see. An activity is a record of past events. Multiple events may be merged if they are similar. A request is scoped to activities from a given Google service using the source parameter.</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(pageSize=None, source=None, groupingStrategy=None, userId=None, drive_ancestorId=None, pageToken=None, drive_fileId=None)</code>
-  <pre>Returns a list of activities visible to the current logged in user. Visible activities are determined by the visiblity settings of the object that was acted on, e.g. Drive files a user can see. An activity is a record of past events. Multiple events may be merged if they are similar. A request is scoped to activities from a given Google service using the source parameter.
+  <pre>Returns a list of activities visible to the current logged in user. Visible activities are determined by the visibility settings of the object that was acted on, e.g. Drive files a user can see. An activity is a record of past events. Multiple events may be merged if they are similar. A request is scoped to activities from a given Google service using the source parameter.
 
 Args:
   pageSize: integer, The maximum number of events to return on a page. The response includes a continuation token if there are more events.
@@ -93,7 +93,7 @@
     Allowed values
       driveUi - 
       none - 
-  userId: string, Indicates the user to return activity for. Use the special value me to indicate the currently authenticated user.
+  userId: string, The ID used for ACL checks (does not filter the resulting event list by the assigned value). Use the special value me to indicate the currently authenticated user.
   drive_ancestorId: string, Identifies the Drive folder containing the items for which to return activities.
   pageToken: string, A token to retrieve a specific page of results.
   drive_fileId: string, Identifies the Drive item to return activities for.