Applied type to code block

Valid types are listed here: https://docsmetadatatool.azurewebsites.net/allowlists/#

windows/security/threat-protection/microsoft-defender-atp/get-machine-related-alerts.md

@@ -45,7 +45,7 @@ Delegated (work or school account) | Alert.ReadWrite | 'Read and write alerts'
 >- User needs to have access to the device, based on device group settings (See [Create and manage device groups](machine-groups.md) for more information)
 
 ## HTTP request
-```
+```http
 GET /api/machines/{id}/alerts
 ```