docs: update generated docs (#981)

diff --git a/docs/dyn/books_v1.dictionary.html b/docs/dyn/books_v1.dictionary.html
index 309bc18..1675bbd 100644
--- a/docs/dyn/books_v1.dictionary.html
+++ b/docs/dyn/books_v1.dictionary.html
@@ -75,30 +75,34 @@
 <h1><a href="books_v1.html">Books API</a> . <a href="books_v1.dictionary.html">dictionary</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#listOfflineMetadata">listOfflineMetadata(cpksver)</a></code></p>
+  <code><a href="#listOfflineMetadata">listOfflineMetadata(cpksver=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns a list of offline dictionary metadata available</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="listOfflineMetadata">listOfflineMetadata(cpksver)</code>
+    <code class="details" id="listOfflineMetadata">listOfflineMetadata(cpksver=None, x__xgafv=None)</code>
   <pre>Returns a list of offline dictionary metadata available
 
 Args:
-  cpksver: string, The device/version ID from which to request the data. (required)
+  cpksver: string, The device/version ID from which to request the data.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
 
 Returns:
   An object of the form:
 
     {
+    &quot;kind&quot;: &quot;A String&quot;, # Resource type.
     &quot;items&quot;: [ # A list of offline dictionary metadata.
       {
-        &quot;download_url&quot;: &quot;A String&quot;,
+        &quot;size&quot;: &quot;A String&quot;,
         &quot;encrypted_key&quot;: &quot;A String&quot;,
         &quot;language&quot;: &quot;A String&quot;,
-        &quot;size&quot;: &quot;A String&quot;,
+        &quot;download_url&quot;: &quot;A String&quot;,
         &quot;version&quot;: &quot;A String&quot;,
       },
     ],
-    &quot;kind&quot;: &quot;dictionary#metadata&quot;, # Resource type.
   }</pre>
 </div>