JJB can't handle ${varibles} in yaml properly

Change-Id: Ib998b88ce7343136222af459a21da7fe24ecb803
Related-Prod:#PROD-34546(PROD:34546)
diff --git a/jobs/templates/released-heat-cicd-pike-contrail41-sl.yml b/jobs/templates/released-heat-cicd-pike-contrail41-sl.yml
index ad0c20b..8fbed34 100644
--- a/jobs/templates/released-heat-cicd-pike-contrail41-sl.yml
+++ b/jobs/templates/released-heat-cicd-pike-contrail41-sl.yml
@@ -200,7 +200,7 @@
         trim: 'false'
     - string:
         default: 2019.2.7
-        description: 'for formula repo http://mirror.mirantis.com/update/${UPDATE_VERSION}/salt-formulas/xenial'
+        description: 'for formula repo http://mirror.mirantis.com/update/UPDATE_VERSION/salt-formulas/xenial'
         name: UPDATE_VERSION
         trim: 'false'
     - string: