Standardize chart param 'PVC's as uppercase and accepted values with code markdown

charts/nfs-subdir-external-provisioner/README.md

@@ -60,8 +60,8 @@ The following tables lists the configurable parameters of this chart and their d
 | `storageClass.allowVolumeExpansion` | Allow expanding the volume                                  | `true`                                            |
 | `storageClass.reclaimPolicy`        | Method used to reclaim an obsoleted volume                  | `Delete`                                          |
 | `storageClass.provisionerName`      | Name of the provisionerName                                 | null                                              |
-| `storageClass.archiveOnDelete`      | Archive pvc when deleting                                   | `true`                                            |
-| `storageClass.onDelete`             | Strategy on pvc deletion. Overrides archiveOnDelete when set to lowercase values 'delete' or 'retain'    | null |
+| `storageClass.archiveOnDelete`      | Archive PVC when deleting                                   | `true`                                            |
+| `storageClass.onDelete`             | Strategy on PVC deletion. Overrides `archiveOnDelete` when set to lowercase values `delete` or `retain`  | null |
 | `storageClass.pathPattern`          | Specifies a template for the directory name                 | null                                              |
 | `storageClass.accessModes`          | Set access mode for PV                                      | `ReadWriteOnce`                                   |
 | `leaderElection.enabled`            | Enables or disables leader election                         | `true`                                            |