chore: regens API reference docs (#889)

diff --git a/docs/dyn/classroom_v1.courses.aliases.html b/docs/dyn/classroom_v1.courses.aliases.html
index df41a49..057c312 100644
--- a/docs/dyn/classroom_v1.courses.aliases.html
+++ b/docs/dyn/classroom_v1.courses.aliases.html
@@ -75,7 +75,7 @@
 <h1><a href="classroom_v1.html">Google Classroom API</a> . <a href="classroom_v1.courses.html">courses</a> . <a href="classroom_v1.courses.aliases.html">aliases</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#create">create(courseId, body, x__xgafv=None)</a></code></p>
+  <code><a href="#create">create(courseId, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Creates an alias for a course.</p>
 <p class="toc_element">
   <code><a href="#delete">delete(courseId, alias, x__xgafv=None)</a></code></p>
@@ -88,7 +88,7 @@
 <p class="firstline">Retrieves the next page of results.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="create">create(courseId, body, x__xgafv=None)</code>
+    <code class="details" id="create">create(courseId, body=None, x__xgafv=None)</code>
   <pre>Creates an alias for a course.
 
 This method returns the following error codes:
@@ -105,7 +105,7 @@
   courseId: string, Identifier of the course to alias.
 This identifier can be either the Classroom-assigned identifier or an
 alias. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Alternative identifier for a course.
@@ -125,9 +125,9 @@
       # a request will return `ALREADY_EXISTS` if a previous one has succeeded.
     "alias": "A String", # Alias string. The format of the string indicates the desired alias scoping.
         # 
-        # * `d:<name>` indicates a domain-scoped alias.
+        # * `d:&lt;name&gt;` indicates a domain-scoped alias.
         #   Example: `d:math_101`
-        # * `p:<name>` indicates a project-scoped alias.
+        # * `p:&lt;name&gt;` indicates a project-scoped alias.
         #   Example: `p:abc123`
         # 
         # This field has a maximum length of 256 characters.
@@ -158,9 +158,9 @@
         # a request will return `ALREADY_EXISTS` if a previous one has succeeded.
       "alias": "A String", # Alias string. The format of the string indicates the desired alias scoping.
           #
-          # * `d:<name>` indicates a domain-scoped alias.
+          # * `d:&lt;name&gt;` indicates a domain-scoped alias.
           #   Example: `d:math_101`
-          # * `p:<name>` indicates a project-scoped alias.
+          # * `p:&lt;name&gt;` indicates a project-scoped alias.
           #   Example: `p:abc123`
           #
           # This field has a maximum length of 256 characters.
@@ -260,9 +260,9 @@
             # a request will return `ALREADY_EXISTS` if a previous one has succeeded.
           "alias": "A String", # Alias string. The format of the string indicates the desired alias scoping.
               #
-              # * `d:<name>` indicates a domain-scoped alias.
+              # * `d:&lt;name&gt;` indicates a domain-scoped alias.
               #   Example: `d:math_101`
-              # * `p:<name>` indicates a project-scoped alias.
+              # * `p:&lt;name&gt;` indicates a project-scoped alias.
               #   Example: `p:abc123`
               #
               # This field has a maximum length of 256 characters.