docs(MessageBar): Add reference to AriaLiveAnnouncer (#32867)

microsoft · Sep 19, 2024 · f275490 · f275490
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diff --git a/...ct-components/react-message-bar/stories/src/MessageBar/MessageBarDescription.md b/...ct-components/react-message-bar/stories/src/MessageBar/MessageBarDescription.md
@@ -1,3 +1,7 @@
 Communicates important information about the state of the entire application or surface.
 For example, the status of a page, panel, dialog or card. The information shouldn't require someone
 to take immediate action, but should persist until the user performs one of the required actions.
+
+> ⚠️ For `aria-live` announcements to work correctly you should configure you application with a
+> <a href="https://react.fluentui.dev/?path=/docs/utilities-aria-live-arialiveannouncer--docs">AriaLiveAnnouncer</a>
+> towards the top of the React tree.