diff --git a/doc/contribute.html b/doc/contribute.html
index adaf983cee..e5312becbb 100644
--- a/doc/contribute.html
+++ b/doc/contribute.html
@@ -30,7 +30,7 @@ You must go through the following process <em>prior to contributing</em>.
 You only need to do this once per Google Account.
 </p>
 
-<h2 id="go-contrib-init">Automatically set up &amp; diagnose your development environment</h3>
+<h2 id="go-contrib-init">Automatically set up &amp; diagnose your development environment</h2>
 <p>
   The <code>go-contrib-init</code> tool configures and debugs your Go
   development environment, automatically performing many of the steps