make it match monitoring template rules

-------
cc: @IngridAtMicrosoft

Author: rboucher

articles/media-services/latest/monitoring/monitor-media-services-data-reference.md

@@ -52,7 +52,7 @@ Media Services supports the following resource logs:
 
 For detailed description of the top-level diagnostic logs schema, see [Supported services, schemas, and categories for Azure Diagnostic Logs](../../../azure-monitor/essentials/resource-logs-schema.md).
 
-## Key delivery log schema properties
+### Key delivery 
 
 These properties are specific to the key delivery log schema.
 
@@ -131,4 +131,4 @@ Properties of the key delivery requests schema.
 
 ## Next steps
 
-[!INCLUDE [monitoring-next-steps](../includes/monitoring-next-steps.md)]
+[!INCLUDE [monitoring-next-steps](../includes/monitoring-next-steps.md)]