diff --git a/doc/template/tmpl/layout.tmpl b/doc/template/tmpl/layout.tmpl
index f073122964..6041aab75d 100644
--- a/doc/template/tmpl/layout.tmpl
+++ b/doc/template/tmpl/layout.tmpl
@@ -32,7 +32,7 @@ allowtransparency="true" frameborder="0" scrolling="0" height="20" width="90"></
   </div>
 </div>
 
-<div id="container-fluid">
+<div class="container-fluid">
 <div id="main">    
     <?js= content ?>
 </div>