Update articles/iot-hub-device-update/device-update-log-collection.md

Author: v-stsavell

articles/iot-hub-device-update/device-update-log-collection.md

@@ -80,7 +80,7 @@ Replace the following placeholders with your own information:
 * *\<storage_id>*: The resource ID of the storage account where the diagnostics logs will be stored. You can retrieve the resource ID by using the [az storage show](/cli/azure/storage/account#az-storage-account-show) command and querying for the ID value: `az storage account show -n <storage_name> --query id`.
 
 ```azurecli-interactive
-az iot device-update instance update --account <account_name> -instance <instance_name> --set enableDiagnostics=true diagnosticStorageProperties.resourceId=<storage_id>
+az iot device-update instance update --account <account_name> --instance <instance_name> --set enableDiagnostics=true diagnosticStorageProperties.resourceId=<storage_id>
 ```
 
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