TAVERNA-868 clarify notice and copyright
diff --git a/NOTICE b/NOTICE
index c97b107..a417f97 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,7 +1,10 @@
 Apache Taverna Workbench Common Activities
-Copyright 2007-2014 University of Manchester, UK
 Copyright 2014-2016 The Apache Software Foundation
 
+Portions of this software were originally based on the following:
+- Copyright 2007-2014 University of Manchester, UK
+These have been licensed to the Apache Software Foundation under a software grant.
+
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).