Steps to upgrade driver using offline bundle (#312)

content/docs/csidriver/features/powerscale.md

@@ -24,7 +24,7 @@ You can use existent volumes from the PowerScale array as Persistent Volumes in
 3. In the following example, the PowerScale cluster accessZone is assumed as 'System', storage class as 'isilon', cluster name as 'pscale-cluster' and volume's internal name as 'isilonvol'. The volume-handle should be in the format of <volume_name>=_=_=<export_id>=_=_=<zone>=_=_=<cluster_name>
 4. If Quotas are enabled in the driver, it is recommended to add the Quota ID to the description of the NFS export in the following format: 
 `CSI_QUOTA_ID:sC-kAAEAAAAAAAAAAAAAQEpVAAAAAAAA`
-5. Quota ID can be identified by quering the PowerScale system.
+5. Quota ID can be identified by querying the PowerScale system.
 
 ```yaml
 apiVersion: v1

content/docs/csidriver/upgradation/drivers/offline.md

@@ -0,0 +1,9 @@
+---
+title: Offline Upgrade of Dell CSI Storage Providers
+linktitle: Offline Upgrade
+description: Offline Upgrade of Dell CSI Storage Providers
+---
+
+1. To perform offline upgrade of the driver, please create an offline bundle as mentioned [here](./../../../installation/offline#building-an-offline-bundle).
+2. Once the bundle is created, please unpack the bundle by following the steps mentioned [here](./../../../installation/offline##unpacking-the-offline-bundle-and-preparing-for-installation).
+3. Please use the driver specific upgrade steps to upgrade.