fix image link to the Click Book too.

git-svn-id: https://svn.apache.org/repos/asf/click/trunk/click@1538747 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/documentation/docs/click-online.html b/documentation/docs/click-online.html
index 43eea49..3c0dd57 100644
--- a/documentation/docs/click-online.html
+++ b/documentation/docs/click-online.html
@@ -197,7 +197,7 @@
 <div style="margin-top: 2em;">

 

     <div style="float:left;">

-        <a target="_blank" href="http://www.fdaoud.com/clickbook/">

+        <a target="_blank" href="http://www.fdaoud.com/en/click.html">

             <img class="image" src="../images/click-book.jpg" alt="Getting started with Apache Click"/>

         </a>

     </div>