Merge pull request #105567 from riwaida/patch-6

Update device-update-howto-proxy-updates.md

Author: Court72

articles/iot-hub-device-update/device-update-howto-proxy-updates.md

@@ -87,7 +87,7 @@ This tutorial uses an Ubuntu Server 18.04 LTS virtual machine (VM) as an example
 5. Restart the Device Update agent:
 
    ```sh
-   sudo systemctl restart adu-agent
+   sudo systemctl restart deviceupdate-agent
    ```
 
 ### Set up mock components