Fix warning

Author: Leah-Xia-Microsoft

articles/communication-services/tutorials/file-sharing-tutorial-acs-chat.md

@@ -331,7 +331,8 @@ If you want to clean up and remove a Communication Services subscription, you ca
 
 ## Next steps
 
-> [!div class="nextstepaction"] > [Check the rest of the UI Library](https://azure.github.io/communication-ui-library/)
+> [!div class="nextstepaction"]
+> [Check the rest of the UI Library](https://azure.github.io/communication-ui-library/)
 
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