fix indentation for code block

Author: GitHubber17

articles/aks/private-clusters.md

@@ -95,9 +95,9 @@ The API server end point has no public IP address. Consequently, users will need
 
 * Get credentials to connect to the cluster
 
-```azurecli-interactive
-az aks get-credentials --name MyManagedCluster --resource-group MyResourceGroup
-```
+   ```azurecli-interactive
+   az aks get-credentials --name MyManagedCluster --resource-group MyResourceGroup
+   ```
 * Create a VM in the same VNET as the AKS cluster or create a VM in a different VNET and peer this VNET with the AKS cluster VNET
 * If you create a VM in a different VNET, you'll need to set up a link between this VNET and the Private DNS Zone
     * go to the MC_* resource group in the portal