diff --git a/doc/codelab/wiki/edit.html b/doc/codelab/wiki/edit.html
index 66dfeb511e..7a5768ce96 100644
--- a/doc/codelab/wiki/edit.html
+++ b/doc/codelab/wiki/edit.html
@@ -1,6 +1,6 @@
 <h1>Editing {Title}</h1>
 
 <form action="/save/{Title}" method="POST">
-<div><textarea name="Body" rows="20" cols="80">{Body|html}</textarea></div>
+<div><textarea name="body" rows="20" cols="80">{Body|html}</textarea></div>
 <div><input type="submit" value="Save"></div>
 </form>
diff --git a/doc/codelab/wiki/index.html b/doc/codelab/wiki/index.html
index e4273de7a6..fe99c32d1e 100644
--- a/doc/codelab/wiki/index.html
+++ b/doc/codelab/wiki/index.html
@@ -457,7 +457,7 @@ Open a new file named <code>edit.html</code>, and add the following lines:
 &lt;h1&gt;Editing {Title}&lt;/h1&gt;
 
 &lt;form action=&#34;/save/{Title}&#34; method=&#34;POST&#34;&gt;
-&lt;div&gt;&lt;textarea name=&#34;Body&#34; rows=&#34;20&#34; cols=&#34;80&#34;&gt;{Body|html}&lt;/textarea&gt;&lt;/div&gt;
+&lt;div&gt;&lt;textarea name=&#34;body&#34; rows=&#34;20&#34; cols=&#34;80&#34;&gt;{Body|html}&lt;/textarea&gt;&lt;/div&gt;
 &lt;div&gt;&lt;input type=&#34;submit&#34; value=&#34;Save&#34;&gt;&lt;/div&gt;
 &lt;/form&gt;
 </pre>