Address PR comments

samples/secret.yaml

@@ -54,11 +54,11 @@
   #     # pools: A list of pools that belong to a single protection defined in the PowerFlex system.
   #     # Currently, csi-powerflex only supports one pool per protection domain.
   #     - pools:
-  #         - "pool1"
+  #         - <STORAGE_POOL>
   #       # name: The name of the protection domain in the PowerFlex system.
   #       #  Optional: true
   #       #  name is required if storage pool names are not unique across protection domains.
-  #       name: "domain1"
+  #       name: <DOMAIN_NAME>
 # To add more PowerFlex systems, uncomment the following lines and provide the required values
 # - username: "admin"
 #   password: "password"
@@ -67,8 +67,9 @@
 #   skipCertificateValidation: true
 #   mdm: "10.0.0.3,10.0.0.4"
 #   zone:
-#     name: "ZoneB"
+#     name: "zoneB"
+#     labelKey: "topology.kubernetes.io/zone"
 #     protectionDomains:
-#       - name: "my-app-domain"
+#       - name: <DOMAIN_NAME>
 #         pools:
-#           - "my-backend-pool"
+#           - <STORAGE_POOL>