diff --git a/doc/help.html b/doc/help.html
index b305a57..3d32ae5 100644
--- a/doc/help.html
+++ b/doc/help.html
@@ -8,7 +8,7 @@
 
 <h2 id="help">Get help</h2>
 
-<img class="gopher" src="/doc/gopher/help.png"/>
+<img class="gopher" src="/doc/gopher/help.png" alt=""/>
 
 {{if not $.GoogleCN}}
 <h3 id="mailinglist"><a href="https://groups.google.com/group/golang-nuts">Go Nuts Mailing List</a></h3>