Add WLIF on AKS link to prepare-a-cluster

Author: kgremban

articles/iot-operations/deploy-iot-ops/howto-prepare-cluster.md

@@ -229,7 +229,10 @@ For instructions on running the script, see [Configure an AKS Edge Essentials cl
 
 ### [AKS on Azure Local](#tab/azure-local)
 
-For instructions on creating and Arc-enabling an AKS cluster on Azure Local, see [Create Kubernetes clusters using Azure CLI](/azure/aks/hybrid/aks-create-clusters-cli). By default, a Kubernetes cluster is created with a node pool that can run Linux containers. If you add more node pools after creation, make sure the OS is set to Linux. Azure IoT Operations doesn't support deployment to Windows nodes.
+* For instructions to create and Arc-enable an AKS cluster on Azure Local, see [Create Kubernetes clusters using Azure CLI](/azure/aks/hybrid/aks-create-clusters-cli).
+* For instructions to deploy an AKS cluster on Azure Local with workload identity (preview) enabled for enhanced security, see [Deploy and configure workload identity on an AKS cluster](/azure/aks/aksarc/workload-identity). The workload identity feature can be enabled only during cluster creation.
+
+By default, a Kubernetes cluster is created with a node pool that can run Linux containers. If you add more node pools after creation, make sure the OS is set to Linux. Azure IoT Operations doesn't support deployment to Windows nodes.
 
 Then, once you have an Azure Arc-enabled Kubernetes cluster, you can [deploy Azure IoT Operations](howto-deploy-iot-operations.md).