chore: regens API reference docs (#889)

diff --git a/docs/dyn/clouderrorreporting_v1beta1.projects.html b/docs/dyn/clouderrorreporting_v1beta1.projects.html
index f0bcc30..f5492bb 100644
--- a/docs/dyn/clouderrorreporting_v1beta1.projects.html
+++ b/docs/dyn/clouderrorreporting_v1beta1.projects.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="clouderrorreporting_v1beta1.html">Stackdriver Error Reporting API</a> . <a href="clouderrorreporting_v1beta1.projects.html">projects</a></h1>
+<h1><a href="clouderrorreporting_v1beta1.html">Error Reporting API</a> . <a href="clouderrorreporting_v1beta1.projects.html">projects</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="clouderrorreporting_v1beta1.projects.events.html">events()</a></code>
@@ -98,10 +98,11 @@
   <pre>Deletes all error events of a given project.
 
 Args:
-  projectName: string, [Required] The resource name of the Google Cloud Platform project. Written
-as `projects/` plus the
+  projectName: string, Required. The resource name of the Google Cloud Platform project. Written
+as `projects/{projectID}`, where `{projectID}` is the
 [Google Cloud Platform project
 ID](https://support.google.com/cloud/answer/6158840).
+
 Example: `projects/my-project-123`. (required)
   x__xgafv: string, V1 error format.
     Allowed values