Update docs (#291)

diff --git a/docs/dyn/logging_v2beta1.projects.logs.html b/docs/dyn/logging_v2beta1.projects.logs.html
index babc136..7894475 100644
--- a/docs/dyn/logging_v2beta1.projects.logs.html
+++ b/docs/dyn/logging_v2beta1.projects.logs.html
@@ -72,24 +72,37 @@
 
 </style>
 
-<h1><a href="logging_v2beta1.html">Google Cloud Logging API</a> . <a href="logging_v2beta1.projects.html">projects</a> . <a href="logging_v2beta1.projects.logs.html">logs</a></h1>
+<h1><a href="logging_v2beta1.html">Stackdriver Logging API</a> . <a href="logging_v2beta1.projects.html">projects</a> . <a href="logging_v2beta1.projects.logs.html">logs</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#delete">delete(logName, x__xgafv=None)</a></code></p>
-<p class="firstline">Deletes a log and all its log entries. The log will reappear if it receives new entries.</p>
+  <code><a href="#delete">delete(logName=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Deletes a log and all its log entries.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="delete">delete(logName, x__xgafv=None)</code>
-  <pre>Deletes a log and all its log entries. The log will reappear if it receives new entries.
+    <code class="details" id="delete">delete(logName=None, x__xgafv=None)</code>
+  <pre>Deletes a log and all its log entries.
+The log will reappear if it receives new entries.
 
 Args:
-  logName: string, Required. The resource name of the log to delete. Example: `"projects/my-project/logs/syslog"`. (required)
+  logName: string, Required. The resource name of the log to delete.  Example:
+`"projects/my-project/logs/syslog"`. (required)
   x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
 
 Returns:
   An object of the form:
 
-    { # A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance: service Foo { rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty); } The JSON representation for `Empty` is empty JSON object `{}`.
+    { # A generic empty message that you can re-use to avoid defining duplicated
+      # empty messages in your APIs. A typical example is to use it as the request
+      # or the response type of an API method. For instance:
+      #
+      #     service Foo {
+      #       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+      #     }
+      #
+      # The JSON representation for `Empty` is empty JSON object `{}`.
   }</pre>
 </div>