diff --git a/doc/install.html b/doc/install.html
index b9894169169..2256123ecb8 100644
--- a/doc/install.html
+++ b/doc/install.html
@@ -136,7 +136,7 @@ and make sure the <code>go</code> directory does not exist.
 Then check out the repository:</p>
 
 <pre>
-$ hg clone -r release https://go.googlecode.com/hg/ go
+$ hg clone -u release https://go.googlecode.com/hg/ go
 </pre>
 
 <h2 id="install">Install Go</h2>