Update doc

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@796268 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/ipojo/handler/whiteboard/doc/white-board-pattern-handler_files/button.html b/ipojo/handler/whiteboard/doc/white-board-pattern-handler_files/button.html
index 32f44f9..1721083 100644
--- a/ipojo/handler/whiteboard/doc/white-board-pattern-handler_files/button.html
+++ b/ipojo/handler/whiteboard/doc/white-board-pattern-handler_files/button.html
@@ -1,5 +1,2 @@
 <html><head>
-<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"><!-- ads start -->
-</head><body><a href="http://eu.apachecon.com/c/aceu2009/" target="_blank"><img src="button_data/2009-europe-125x125.png" title="ApacheCon Europe 2009" border="0" width="125" height="125"></a>
-<!-- ads end -->
-</body></html>
\ No newline at end of file
+<meta http-equiv="content-type" content="text/html; charset=UTF-8"></head><body></body></html>
\ No newline at end of file