Add note about parser doc being outdated

Change-Id: I115abb7763d3bdd9f853ca8ff6b77f0bed2c0644
Signed-off-by: Mickael Istria <mistria@redhat.com>
diff --git a/core/howto/generate parser/generateParser.html b/core/howto/generate parser/generateParser.html
index 299d996..b89f5fc 100644
--- a/core/howto/generate parser/generateParser.html
+++ b/core/howto/generate parser/generateParser.html
@@ -6,6 +6,9 @@
 		<link rel="stylesheet" href="http://dev.eclipse.org/default_style.css" type="text/css">
 	</head>
 	<body bgcolor="#FFFFFF" text="#000000">
+	
+	<div style="background: yellow; border: solid 2px orange">&#x26A0;&#xFE0F; The content of this document is partly outdated. Up-to-date information is available at <a href="https://wiki.eclipse.org/JDT_Core_Programmer_Guide/ECJ/Parse">https://wiki.eclipse.org/JDT_Core_Programmer_Guide/ECJ/Parse</a></div>
+
 	<table border=0 cellspacing=5 cellpadding=2 width="100%" >
 
 <tr>