Update articles/defender-for-iot/organizations/billing.md

Co-authored-by: Batami Gold <[email protected]>

Author: yoninalmsft

articles/defender-for-iot/organizations/billing.md

@@ -30,7 +30,7 @@ You're billed based on the number of committed devices associated with each subs
 
 ### Device coverage warning
 
-If the number of actual devices detected by Defender for IoT exceeds the number of committed devices currently listed on your subscription, a warning message will appear in Defender for IoT in the Azure portal:
+If the number of actual devices detected by Defender for IoT exceeds the number of committed devices currently listed on your subscription, a warning message will appear in Defender for IoT in the Azure portal. For example:
 
 :::image type="content" source="media/billing/device-coverage-warning.png" alt-text="Screenshot of the device coverage warning.":::