Update docs for 1.4.1 release
diff --git a/docs/dyn/content_v2.accounttax.html b/docs/dyn/content_v2.accounttax.html
index 80181cb..aa93539 100644
--- a/docs/dyn/content_v2.accounttax.html
+++ b/docs/dyn/content_v2.accounttax.html
@@ -75,7 +75,7 @@
 <h1><a href="content_v2.html">Content API for Shopping</a> . <a href="content_v2.accounttax.html">accounttax</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#custombatch">custombatch(body)</a></code></p>
+  <code><a href="#custombatch">custombatch(body, dryRun=None)</a></code></p>
 <p class="firstline">Retrieves and updates tax settings of multiple accounts in a single request.</p>
 <p class="toc_element">
   <code><a href="#get">get(merchantId, accountId)</a></code></p>
@@ -87,14 +87,14 @@
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(merchantId, accountId, body)</a></code></p>
+  <code><a href="#patch">patch(merchantId, accountId, body, dryRun=None)</a></code></p>
 <p class="firstline">Updates the tax settings of the account. This method supports patch semantics.</p>
 <p class="toc_element">
-  <code><a href="#update">update(merchantId, accountId, body)</a></code></p>
+  <code><a href="#update">update(merchantId, accountId, body, dryRun=None)</a></code></p>
 <p class="firstline">Updates the tax settings of the account.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="custombatch">custombatch(body)</code>
+    <code class="details" id="custombatch">custombatch(body, dryRun=None)</code>
   <pre>Retrieves and updates tax settings of multiple accounts in a single request.
 
 Args:
@@ -125,6 +125,7 @@
     ],
   }
 
+  dryRun: boolean, Flag to run the request in dry-run mode.
 
 Returns:
   An object of the form:
@@ -238,7 +239,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(merchantId, accountId, body)</code>
+    <code class="details" id="patch">patch(merchantId, accountId, body, dryRun=None)</code>
   <pre>Updates the tax settings of the account. This method supports patch semantics.
 
 Args:
@@ -261,6 +262,7 @@
   "accountId": "A String", # The ID of the account to which these account tax settings belong.
 }
 
+  dryRun: boolean, Flag to run the request in dry-run mode.
 
 Returns:
   An object of the form:
@@ -281,7 +283,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(merchantId, accountId, body)</code>
+    <code class="details" id="update">update(merchantId, accountId, body, dryRun=None)</code>
   <pre>Updates the tax settings of the account.
 
 Args:
@@ -304,6 +306,7 @@
   "accountId": "A String", # The ID of the account to which these account tax settings belong.
 }
 
+  dryRun: boolean, Flag to run the request in dry-run mode.
 
 Returns:
   An object of the form: