diff --git a/Code/Mantid/instrument/CNCS_Definition.xml b/Code/Mantid/instrument/CNCS_Definition.xml
index 740d873126bf6bbb6ae4d37e847c345d07b123ad..38551cbe73847529b45d97f9cd80dd9c5604eee9 100644
--- a/Code/Mantid/instrument/CNCS_Definition.xml
+++ b/Code/Mantid/instrument/CNCS_Definition.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='ASCII'?>
--<instrument valid-to="2100-01-31 23:59:59" name="CNCS" valid-from="2012-03-14 00:00:00">
+-<instrument valid-to="2100-01-31 23:59:59" name="CNCS" valid-from="2012-03-14 00:00:00" last-modified="2012-04-27 14:23:00">
 -  <!--for 14th March 2012 onwards -->
   <defaults>
     <length unit="metre"/>