TAVERNA-868 clarify notice and copyright
diff --git a/NOTICE b/NOTICE
index c17caeb..5837834 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,7 +1,10 @@
Apache Taverna Workbench product
-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/).
