Update service-limits.md

Author: kperla97

articles/communication-services/concepts/service-limits.md

@@ -134,7 +134,7 @@ This sandbox setup is designed to help developers begin building the application
 ### Chat storage
 Azure Communication Services stores chat messages indefinitely till they are deleted by the customer. 
 
-Beginning in Q1, customers must choose between indefinite message retention or automatic deletion after 90 days. Existing messages remain unaffected, but customers can opt for a 90-day retention period if desired.
+Beginning in CY24 Q1, customers must choose between indefinite message retention or automatic deletion after 90 days. Existing messages remain unaffected, but customers can opt for a 90-day retention period if desired.
 
 > [!NOTE] 
 > Once chat messages are deleted by you, we cannot recover them.