[Doc-a-thon] Updating code block

Author: msaenzbosupport

articles/automation/dsc-linux-powershell.md

@@ -233,7 +233,9 @@ Register the Azure Linux VM as a Desired State Configuration (DSC) node for the
 
    ```cmd
    ssh user@IP
+   ```
 
+   ```bash
    sudo apt-get update
    sudo apt-get install -y python
    ```