Update docs (#291)

diff --git a/docs/dyn/iam_v1.html b/docs/dyn/iam_v1.html
index 6b60ba4..b945fd3 100644
--- a/docs/dyn/iam_v1.html
+++ b/docs/dyn/iam_v1.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="iam_v1.html">Google Identity and Access Management API</a></h1>
+<h1><a href="iam_v1.html">Google Identity and Access Management (IAM) API</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="iam_v1.projects.html">projects()</a></code>
@@ -80,6 +80,11 @@
 <p class="firstline">Returns the projects Resource.</p>
 
 <p class="toc_element">
+  <code><a href="iam_v1.roles.html">roles()</a></code>
+</p>
+<p class="firstline">Returns the roles Resource.</p>
+
+<p class="toc_element">
   <code><a href="#new_batch_http_request">new_batch_http_request()</a></code></p>
 <p class="firstline">Create a BatchHttpRequest object based on the discovery document.</p>
 <h3>Method Details</h3>