[VOL-3780] using keywords in physical build

Change-Id: I6fbe3797f57920b5d8ebb2419c8c2ba6de9d0901
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 0777d6d..8ee694c 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -612,7 +612,7 @@
       - string:
           name: volthaHelmChartsChange
           default: '{volthaHelmChartsChange}'
-          description: 'Download a change for gerrit in the kind-voltha repo, example value: "refs/changes/32/19132/1"'
+          description: 'Download a change for gerrit in the voltha-helm-charts repo, example value: "refs/changes/32/19132/1"'
 
       - bool:
           name: inMemoryEtcdStorage