diff --git a/docs/base-css.html b/docs/base-css.html
index f21f25f6b3..79200009a2 100644
--- a/docs/base-css.html
+++ b/docs/base-css.html
@@ -181,7 +181,7 @@
       </address>
       <address>
         <strong>Full Name</strong><br>
-        <a mailto="#">first.last@gmail.com</a>
+        <a href="mailto:#">first.last@gmail.com</a>
       </address>
     </div>
     <div class="span4">