diff --git a/index.html b/index.html
index 05fef3a..e0c81dd 100644
--- a/index.html
+++ b/index.html
@@ -16,7 +16,7 @@
     </p>
 
     <ul>
-      <li><a href="https://twitter.com/_mytwitterid_" rel="me">@_mytwitterid_</a></li>
+      <li><a class="u-url" href="https://twitter.com/_mytwitterid_" rel="me">@_mytwitterid_</a></li>
     </ul>
   </div>
 </body>