diff --git a/examples/experimental/persistent-volume-provisioning/README.md b/examples/experimental/persistent-volume-provisioning/README.md
index 87e74447be..e9d378893d 100644
--- a/examples/experimental/persistent-volume-provisioning/README.md
+++ b/examples/experimental/persistent-volume-provisioning/README.md
@@ -152,13 +152,13 @@ parameters:
 
 #### Ceph RBD
 
-```yaml                                                                                                                                                                                                          
-  apiVersion: extensions/v1beta1                                                                                                                                                                                   
-  kind: StorageClass                                                                                                                                                                                               
+```yaml
+  apiVersion: storage.k8s.io/v1beta1
+  kind: StorageClass
   metadata: 
-   name: fast
-provisioner: kubernetes.io/rbd
-parameters:
+    name: fast
+    provisioner: kubernetes.io/rbd
+    parameters:
     monitors: 10.16.153.105:6789
     adminId: kube
     adminSecretName: ceph-secret
diff --git a/examples/experimental/persistent-volume-provisioning/rbd/rbd-storage-class.yaml b/examples/experimental/persistent-volume-provisioning/rbd/rbd-storage-class.yaml
index 9656c2999d..0fca065078 100644
--- a/examples/experimental/persistent-volume-provisioning/rbd/rbd-storage-class.yaml
+++ b/examples/experimental/persistent-volume-provisioning/rbd/rbd-storage-class.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: storage.k8s.io/v1beta1
 kind: StorageClass
 metadata:
    name: slow