diff --git a/docs/index.html b/docs/index.html
index b8d1df2..daadbfe 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -87,6 +87,14 @@
         Use <code>python -m supDolphinWS.server --help</code> for more information.
       </p>
     </details>
+    <details>
+      <summary>Fail to connect to server?</summary>
+      <p>
+        If you have started up the server but still cannot connect to it,
+        try to <span class="y">disable Ad block</span>.
+        There is no Ad on this page so don&#39;t worry :)
+      </p>
+    </details>
   </header>
   <section id="sec-opt">
     <form id="form-conf">