[CORD-3026] Unify the usage of imagePullPolicy in helm-charts

Change-Id: I6135a81060eeb7f2831ce9c7207339f92017c10e
diff --git a/configs/onos-fabric.yaml b/configs/onos-fabric.yaml
index 8115b1d..ac25a5d 100644
--- a/configs/onos-fabric.yaml
+++ b/configs/onos-fabric.yaml
@@ -16,7 +16,7 @@
 
 # Expose ONOS services using NodePorts, for onos-fabric configuration
 #
-# helm install -f configs/onos-fabric.yaml onos
+# helm install onos -f configs/onos-fabric.yaml -n onos-fabric
 
 services:
   openflowServiceType: NodePort