diff --git a/Chart.yaml b/Chart.yaml
index fabecda5..ff1401d5 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -1,5 +1,5 @@
 name: nifi
-version: 0.1.7
+version: 0.2.0
 appVersion: 1.9.2
 description: Apache NiFi is a software project from the Apache Software Foundation designed to automate the flow of data between software systems. 
 keywords:
diff --git a/README.md b/README.md
index b8dfe5fe..6cc4fb3a 100644
--- a/README.md
+++ b/README.md
@@ -110,7 +110,7 @@ The following table lists the configurable parameters of the nifi chart and the
 | `ingress.tls`                                                               | Ingress TLS configuration                                                                                          | `[]`                            |
 | **Persistence**                                                             |
 | `persistence.enabled`                                                       | Use persistent volume to store data                                                                                | `false`                         |
-| `persistence.storageClass`                                                  | Storage class name of PVCs                                                                                         | `standard`                      |
+| `persistence.storageClass`                                                  | Storage class name of PVCs (use the default type if unset)                                                         | `nil`                           |
 | `persistence.accessMode`                                                    | ReadWriteOnce or ReadOnly                                                                                          | `[ReadWriteOnce]`               |
 | `persistence.dataStorage.size`                                              | Size of persistent volume claim                                                                                    | `1Gi`                           |
 | `persistence.flowfileRepoStorage.size`                                      | Size of persistent volume claim                                                                                    | `10Gi`                          |
diff --git a/values.yaml b/values.yaml
index 21895b6b..039015dc 100644
--- a/values.yaml
+++ b/values.yaml
@@ -113,8 +113,8 @@ persistence:
   # For example:
   # storageClass: standard
   #
+  # The default storage class is used if this variable is not set.
 
-  storageClass: standard
   accessModes:  [ReadWriteOnce]
   ## Storage Capacities for persistent volumes
   # Storage capacity for the 'data' directory, which is used to hold things such as the flow.xml.gz, configuration, state, etc.