Update warning callout format in ACS retirement notice

JillGrant615 · web-flow · commit b1ff941280a7 · 2026-02-25T16:08:25.000-07:00
diff --git a/articles/communication-services/includes/acs-retirement-breakingchange-callout.md b/articles/communication-services/includes/acs-retirement-breakingchange-callout.md
@@ -6,5 +6,5 @@ ms.topic: include
 ms.date: 02/25/2026
 ---
 
-[!WARNING]
-Azure Communication Services is introducing breaking changes, and some services are being retired. Learn more in the [retirement and breaking changes guide](https://aka.ms/acs-retirement-and-breaking-changes-guide).
+> [!WARNING]
+> Azure Communication Services is introducing breaking changes, and some services are being retired. Learn more in the [retirement and breaking changes guide](https://aka.ms/acs-retirement-and-breaking-changes-guide).
