diff --git a/doc/header.html b/doc/header.html
index 16d556414..e212a83cb 100644
--- a/doc/header.html
+++ b/doc/header.html
@@ -50,7 +50,7 @@
                 </a>
               </li>
 
-              <li role="presentation">
+              <li class="active" role="presentation">
                 <a href="http://www.spdk.io/doc/">
                   <i class="glyphicon glyphicon-book"></i>
                   <span class="box-name">documentation</span>