Index: trunk/CONTRIBUTION
===================================================================
--- trunk/CONTRIBUTION	(revision 6920)
+++ trunk/CONTRIBUTION	(revision 7489)
@@ -42,4 +42,7 @@
 is from Matthias Käppler and licensed with the Apache License 2.0.
 
+The mail/url validator routines use code from Apache Commons
+Validator which is licensed with Apache license version 2.0.
+
 The NTv2 transformation code (http://jgridshift.sourceforge.net/)
 is from Peter Yuill and licensed with LGPL.