Update the document link

Author: wuy1

app/templates/app/support.html

@@ -17,7 +17,7 @@ <h2>Have a Question?</h2>
                 <img src="/static/app/img/document.png"/>
             </a>
             <p style="margin-top: 1%; "></p>
-            <a target="_blank" href="http://10.62.59.209/idic/release_1.3/ReleaseNotes/index.html">Document</a>
+            <a target="_blank" href="http://infrasim.readthedocs.org/en/latest/userguide.html#vracksystem">Document</a>
         </div>
         <div class="col-sm-4" align="center">
 {#            <a target="_blank" href="https://hardware.corp.emc.com/display/HWSIM/HW+Simulation+Home+-+IDIC">#}