Change error message

Related-Prod: PRODX-3456
Change-Id: Iab1eb76a3d8d40d9ac1cc9310d2a6ecc4141472c
diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index ed1f988..69e903a 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -1037,7 +1037,7 @@
 # Exit on any errors
 function handle_exit {
     if [ $? != 0 ] ; then
-        wait_condition_send "FAILURE" "Script is failure."
+        wait_condition_send "FAILURE" "Script terminated with an error."
     fi
 }
 trap handle_exit EXIT