Make feature-state tag usage consistent

content/en/docs/concepts/storage/storage-classes.md

@@ -185,7 +185,7 @@ The following plugins support `WaitForFirstConsumer` with pre-created Persistent
 * All of the above
 * [Local](#local)
 
-{{< feature-state state="stable" for_k8s_version="1.17" >}}
+{{< feature-state state="stable" for_k8s_version="v1.17" >}}
 [CSI volumes](/docs/concepts/storage/volumes/#csi) are also supported with dynamic provisioning
 and pre-created PVs, but you'll need to look at the documentation for a specific CSI driver
 to see its supported topology keys and examples.
@@ -410,7 +410,7 @@ parameters:
   round-robin-ed across all active zones where Kubernetes cluster has a node.
 
 {{< note >}}
-{{< feature-state state="deprecated" for_k8s_version="1.11" >}}
+{{< feature-state state="deprecated" for_k8s_version="v1.11" >}}
 This internal provisioner of OpenStack is deprecated. Please use [the external cloud provider for OpenStack](https://github.com/kubernetes/cloud-provider-openstack).
 {{< /note >}}
 

content/en/docs/concepts/storage/volume-snapshots.md

@@ -13,7 +13,7 @@ weight: 20
 
 {{% capture overview %}}
 
-{{< feature-state for_k8s_version="1.17" state="beta" >}}
+{{< feature-state for_k8s_version="v1.17" state="beta" >}}
 In Kubernetes, a _VolumeSnapshot_ represents a snapshot of a volume on a storage system. This document assumes that you are already familiar with Kubernetes [persistent volumes](/docs/concepts/storage/persistent-volumes/).
 
 {{% /capture %}}