Add X-Forwarded-For custom field clarification

Author: RepinStyle

articles/azure-monitor/agents/data-collection-iis.md

@@ -174,12 +174,8 @@ Open the IIS log file on the agent machine to verify that logs are in W3C format
 <!-- convertborder later -->
 :::image type="content" source="media/data-collection-text-log/iis-log-format.png" lightbox="media/data-collection-text-log/iis-log-format.png" alt-text="Screenshot of an IIS log, showing the header, which specifies that the file is in W3C format." border="false":::
 
-
-## Frequently asked questions
-This section provides answers to common questions.
-
-### Can I collect the X-Forwarded-For custom field?
-This is not supported at this time. If this is a critical field, you can collect the IIS logs as a custom text log. 
+> [!NOTE]
+> The X-Forwarded-For custom field is not supported at this time. If this is a critical field, you can collect the IIS logs as a custom text log.
 
 ## Next steps