Fix link format in application-gateway-diagnostics.md

Signed-off-by: MJyot <[email protected]>

Author: MJyot

articles/application-gateway/application-gateway-diagnostics.md

@@ -99,7 +99,7 @@ Other storage locations:
 - **Azure Event Hubs**: Event hubs are a great option for integrating with other security information and event management (SIEM) tools to get alerts on your resources.
 - **Azure Monitor partner integrations**.
 
-Learn more about the Azure Monitor's [diagnostic settings destinations](azure/azure-monitor/essentials/diagnostic-settings.md) .
+Learn more about the Azure Monitor's [diagnostic settings destinations](/azure/azure-monitor/essentials/diagnostic-settings.md) .
 
 ## Enable logging through PowerShell