Add requested change to cli-device-management.md

Amanda Butler · web-flow · commit 3d9066d10eef · 2018-09-04T06:14:24.000-05:00
Add requested code changes.
diff --git a/docs/tools/offline/cli-device-management.md b/docs/tools/offline/cli-device-management.md
@@ -45,7 +45,7 @@ $ mbed compile
 This generates a payload to update the device with. After generating the payload, update the device through Device Management with:
 
 ```
-$ mbed dm update device -D <device ID>
+$ mbed dm update device -D <device ID> -m <target>
 ```
 
 This performs several actions:
