diff --git a/web/templates/_base.html b/web/templates/_base.html
index 98b040af55..9079cc242e 100644
--- a/web/templates/_base.html
+++ b/web/templates/_base.html
@@ -33,7 +33,7 @@
             <li><a href="/graph">Graph</a></li>
             <li><a href="/">Status</a></li>
             <li>
-              <a href="https://prometheus.github.io" target="_blank">Help</a>
+              <a href="http://prometheus.io" target="_blank">Help</a>
             </li>
           </ul>
         </div>