chore: regens API reference docs (#889)

diff --git a/docs/dyn/reseller_v1.customers.html b/docs/dyn/reseller_v1.customers.html
index 758090c..91a9f43 100644
--- a/docs/dyn/reseller_v1.customers.html
+++ b/docs/dyn/reseller_v1.customers.html
@@ -78,13 +78,13 @@
   <code><a href="#get">get(customerId)</a></code></p>
 <p class="firstline">Get a customer account.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(body, customerAuthToken=None)</a></code></p>
+  <code><a href="#insert">insert(body=None, customerAuthToken=None)</a></code></p>
 <p class="firstline">Order a new customer's account.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(customerId, body)</a></code></p>
+  <code><a href="#patch">patch(customerId, body=None)</a></code></p>
 <p class="firstline">Update a customer account's settings. This method supports patch semantics.</p>
 <p class="toc_element">
-  <code><a href="#update">update(customerId, body)</a></code></p>
+  <code><a href="#update">update(customerId, body=None)</a></code></p>
 <p class="firstline">Update a customer account's settings.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -121,11 +121,11 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(body, customerAuthToken=None)</code>
+    <code class="details" id="insert">insert(body=None, customerAuthToken=None)</code>
   <pre>Order a new customer's account.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # JSON template for a customer.
@@ -179,12 +179,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(customerId, body)</code>
+    <code class="details" id="patch">patch(customerId, body=None)</code>
   <pre>Update a customer account's settings. This method supports patch semantics.
 
 Args:
   customerId: string, Either the customer's primary domain name or the customer's unique identifier. If using the domain name, we do not recommend using a customerId as a key for persistent data. If the domain name for a customerId is changed, the Google system automatically updates. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # JSON template for a customer.
@@ -237,12 +237,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(customerId, body)</code>
+    <code class="details" id="update">update(customerId, body=None)</code>
   <pre>Update a customer account's settings.
 
 Args:
   customerId: string, Either the customer's primary domain name or the customer's unique identifier. If using the domain name, we do not recommend using a customerId as a key for persistent data. If the domain name for a customerId is changed, the Google system automatically updates. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # JSON template for a customer.