missed one cmd

Author: kgremban

articles/iot-hub-device-update/configure-access-control-device-update.md

@@ -63,7 +63,7 @@ Replace the following placeholders with your own information:
 
 * *\<role>*: The Device Update role that you're assigning.
 * *\<user_group>*: The user or group that you want to assign the role to.
-* *\<account_id>*: The resource ID for the Device Update account that the user or group will get access to. You can retrieve the resource ID by using the [az iot device-update account show](/cli/azure/iot/du/account#az-iot-du-account-show) command and querying for the ID value: `az iot device-update account show -n <account_name> --query id`.
+* *\<account_id>*: The resource ID for the Device Update account that the user or group will get access to. You can retrieve the resource ID by using the [az iot du account show](/cli/azure/iot/du/account#az-iot-du-account-show) command and querying for the ID value: `az iot du account show -n <account_name> --query id`.
 
 ```azurecli-interactive
 az role assignment create --role '<role>' --assignee <user_group> --scope <account_id>

articles/iot-hub-device-update/toc.yml

@@ -82,10 +82,10 @@ items:
   items:
   - name: Create a Device Update account
     href: create-device-update-account.md
-    displayName: Azure CLI, az iot, az iot device-update
+    displayName: Azure CLI, az iot, az iot du
   - name: Configure access control roles for Device Update resources
     href: configure-access-control-device-update.md
-    displayName: Azure CLI, az iot, az iot device-update    
+    displayName: Azure CLI, az iot, az iot du    
   - name: Provisioning device update agent
     href: device-update-agent-provisioning.md
   - name: Create an update