Index: trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/diff_skycell.pl	(revision 18565)
+++ trunk/ippScripts/scripts/diff_skycell.pl	(revision 18616)
@@ -83,5 +83,5 @@
 }
 
-&my_die("Subtraction list contains more than two elements", $diff_id, $PS_EXIT_SYS_ERROR) unless
+&my_die("Subtraction list does not contain exactly two elements", $diff_id, $PS_EXIT_SYS_ERROR) unless
     scalar @$files == 2;