diff --git a/dev/demo/relations.html b/dev/demo/relations.html
index 89abf06..fc4ce98 100644
--- a/dev/demo/relations.html
+++ b/dev/demo/relations.html
@@ -15,12 +15,12 @@
           <div class="matchinfo">
             <div class="matchtree">
               <div id="treeRel"></div>
+              <div id="treeRel2"></div>
               <div id="treeHier"></div>
             </div>
           </div>
         </li>
       </ol>
     </div>
-
   </body>
 </html>