Minor updates.

Author: roygara

articles/storage/elastic-san/elastic-san-connect-aks.md

@@ -27,10 +27,10 @@ The Kubernetes iSCSI CSI driver is available on GitHub:
 
 The iSCSI CSI driver for Kubernetes is [licensed under the Apache 2.0 license](https://github.com/kubernetes-csi/csi-driver-iscsi/blob/master/LICENSE).
 
-## Pre-requisites
+## Prerequisites
 
 - Have an [Azure Elastic SAN](elastic-san-create.md) with volumes
-- Either the [latest Azure CLI](/cli/azure/install-azure-cli) or install the [latest Azure PowerShell module](/powershell/azure/install-az-ps)
+- Use either the [latest Azure CLI](/cli/azure/install-azure-cli) or install the [latest Azure PowerShell module](/powershell/azure/install-az-ps)
 - Meet the [compatibility requirements](https://github.com/kubernetes-csi/csi-driver-iscsi/blob/master/README.md#container-images--kubernetes-compatibility) for the iSCSI CSI driver
 
 ## Limitations