diff --git a/manual/using.html b/manual/using.html
index d3b9a5678..5a3c06c02 100644
--- a/manual/using.html
+++ b/manual/using.html
@@ -569,10 +569,10 @@ If you need a special function, you should
 <ol>
   <li>have a look at this manual, because Ant provides lot of tasks</li>
   <li>have a look at the external task page <a href="http://ant.apache.org/external.html">online</a></li>
-  <li>have a look at the external task <a href="http://wiki.apache.org/ant/AntExternalTaskdefs">wiki 
-      page</a></li>
+  <li>have a look at the external task <a href="https://cwiki.apache.org/confluence/display/ANT/AntExternalTaskdefs" target="_top">wiki
+    page</a></li>
   <li>ask on the <a href="http://ant.apache.org/mail.html#User%20List">Ant user</a> list</li>
-  <li><a href="tutorial-writing-tasks.html">implement </a>(and share) your own</li>
+  <li><a href="tutorial-writing-tasks.html">implement</a> (and share) your own</li>
 </ol>
 
 </body>