Fix typo and examples

docs/concepts/storage/persistent-volumes.md

@@ -86,7 +86,7 @@ However, an administrator can configure a custom recycler pod template using the
 apiVersion: v1
 kind: Pod
 metadata:
-  name: pv-recycler-
+  name: pv-recycler
   namespace: default
 spec:
   restartPolicy: Never
@@ -128,7 +128,7 @@ For volume plugins that support the Delete reclaim policy, deletion removes both
 * Glusterfs
 * VsphereVolume
 * Quobyte Volumes
-* HostPath (single node testing only -- local storage is not supported in any way and WILL NOT WORK in a multi-node cluster)
+* HostPath (Single node testing only -- local storage is not supported in any way and WILL NOT WORK in a multi-node cluster)
 * VMware Photon
 * Portworx Volumes
 * ScaleIO Volumes
@@ -139,20 +139,20 @@ For volume plugins that support the Delete reclaim policy, deletion removes both
 Each PV contains a spec and status, which is the specification and status of the volume.
 
 ```yaml
-  apiVersion: v1
-  kind: PersistentVolume
-  metadata:
-    name: pv0003
-  spec:
-    capacity:
-      storage: 5Gi
-    accessModes:
-      - ReadWriteOnce
-    persistentVolumeReclaimPolicy: Recycle
-    storageClassName: slow
-    nfs:
-      path: /tmp
-      server: 172.17.0.2
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: pv0003
+spec:
+  capacity:
+    storage: 5Gi
+  accessModes:
+    - ReadWriteOnce
+  persistentVolumeReclaimPolicy: Recycle
+  storageClassName: slow
+  nfs:
+    path: /tmp
+    server: 172.17.0.2
 ```
 
 ### Capacity
@@ -220,7 +220,7 @@ it will become fully deprecated in a future Kubernetes release.
 Current reclaim policies are:
 
 * Retain -- manual reclamation
-* Recycle -- basic scrub ("rm -rf /thevolume/*")
+* Recycle -- basic scrub (`rm -rf /thevolume/*`)
 * Delete -- associated storage asset such as AWS EBS, GCE PD, Azure Disk, or OpenStack Cinder volume is deleted
 
 Currently, only NFS and HostPath support recycling. AWS EBS, GCE PD, Azure Disk, and Cinder volumes support deletion.
@@ -591,7 +591,7 @@ parameters:
 
 ```yaml
 kind: StorageClass
-apiVersion: storage.k8s.io/v1beta1
+apiVersion: storage.k8s.io/v1
 metadata:
   name: fast
 provisioner: kubernetes.io/vsphere-volume
@@ -607,7 +607,7 @@ parameters:
 
 ```yaml
 kind: StorageClass
-apiVersion: storage.k8s.io/v1beta1
+apiVersion: storage.k8s.io/v1
 metadata:
   name: vsan-policy-fast
 provisioner: kubernetes.io/vsphere-volume
@@ -639,22 +639,22 @@ You can see [vSphere example](https://github.com/kubernetes/examples/tree/master
 #### Ceph RBD
 
 ```yaml
-  apiVersion: storage.k8s.io/v1
-  kind: StorageClass
-  metadata:
-    name: fast
-  provisioner: kubernetes.io/rbd
-  parameters:
-    monitors: 10.16.153.105:6789
-    adminId: kube
-    adminSecretName: ceph-secret
-    adminSecretNamespace: kube-system
-    pool: kube
-    userId: kube
-    userSecretName: ceph-secret-user
-    fsType: ext4
-    imageFormat: "2"
-    imageFeatures: "layering"
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: fast
+provisioner: kubernetes.io/rbd
+parameters:
+  monitors: 10.16.153.105:6789
+  adminId: kube
+  adminSecretName: ceph-secret
+  adminSecretNamespace: kube-system
+  pool: kube
+  userId: kube
+  userSecretName: ceph-secret-user
+  fsType: ext4
+  imageFormat: "2"
+  imageFeatures: "layering"
 ```
 
 * `monitors`: Ceph monitors, comma delimited. This parameter is required.
@@ -785,6 +785,7 @@ parameters:
 *  `ephemeral`: specifies whether the volume should be cleaned-up after unmount or should be persistent. `emptyDir` use case can set this value to true and `persistent volumes` use case such as for databases like Cassandra should set to false, [true/false] (default `false`). A string is expected here i.e. `"true"` and not `true`.
 
 #### ScaleIO
+
 ```yaml
 kind: StorageClass
 apiVersion: storage.k8s.io/v1
@@ -821,6 +822,7 @@ $> kubectl create secret generic sio-secret --type="kubernetes.io/scaleio" --fro
 ```
 
 #### StorageOS
+
 ```yaml
 kind: StorageClass
 apiVersion: storage.k8s.io/v1