Regen docs (#373)

diff --git a/docs/dyn/compute_alpha.autoscalers.html b/docs/dyn/compute_alpha.autoscalers.html
index b19765c..33698a1 100644
--- a/docs/dyn/compute_alpha.autoscalers.html
+++ b/docs/dyn/compute_alpha.autoscalers.html
@@ -96,7 +96,7 @@
   <code><a href="#list_next">list_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="#patch">patch(project, zone, autoscaler, body, requestId=None)</a></code></p>
+  <code><a href="#patch">patch(project, zone, body, requestId=None, autoscaler=None)</a></code></p>
 <p class="firstline">Updates an autoscaler in the specified project using the data included in the request. This method supports patch semantics.</p>
 <p class="toc_element">
   <code><a href="#testIamPermissions">testIamPermissions(project, zone, resource, body)</a></code></p>
@@ -587,13 +587,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(project, zone, autoscaler, body, requestId=None)</code>
+    <code class="details" id="patch">patch(project, zone, body, requestId=None, autoscaler=None)</code>
   <pre>Updates an autoscaler in the specified project using the data included in the request. This method supports patch semantics.
 
 Args:
   project: string, Project ID for this request. (required)
   zone: string, Name of the zone for this request. (required)
-  autoscaler: string, Name of the autoscaler to update. (required)
   body: object, The request body. (required)
     The object takes the form of:
 
@@ -656,6 +655,7 @@
   }
 
   requestId: string, begin_interface: MixerMutationRequestBuilder Request ID to support idempotency.
+  autoscaler: string, Name of the autoscaler to patch.
 
 Returns:
   An object of the form: