tweak

Author: halkazwini

articles/route-server/overview.md

@@ -46,7 +46,7 @@ Azure Route Server has the following limits (per deployment).
 
 For pricing details, see [Azure Route Server pricing](https://azure.microsoft.com/pricing/details/route-server/).
 
-## Service Level Agreement
+## Service Level Agreement (SLA)
 
 For SLA, see [SLA for Azure Route Server](https://azure.microsoft.com/support/legal/sla/route-server/v1_0/).