Update articles/communication-services/concepts/chat/concepts.md

Co-authored-by: Chris Werner <[email protected]>

Author: JasonWHowell

articles/communication-services/concepts/chat/concepts.md

@@ -59,7 +59,7 @@ For customers that use Virtual appointments, refer to our Teams Interoperability
 - Moreover, in Teams Interop scenarios, there are the following limitations:
     - The Teams user's display name in typing indicator event is blank.
     - Read receipt isn't supported.
-    - Certain identities are not supported (i.e. [Bot users](/microsoftteams/platform/bots/what-are-bots), [Skype users](https://support.microsoft.com/en-us/office/use-skype-in-microsoft-teams-4382ea15-f963-413d-8982-491c1b9ae3bf), [non-enterprise users](https://support.microsoft.com/en-us/office/learn-more-about-subscriptions-for-microsoft-teams-free-aaaa0a0a-bb1b-cc2c-dd3d-eeeeee4e4e4e), etc.)
+    - Certain identities are not supported (i.e. [Bot users](/microsoftteams/platform/bots/what-are-bots), [Skype users](https://support.microsoft.com/en-us/office/use-skype-in-microsoft-teams-4382ea15-f963-413d-8982-491c1b9ae3bf), [non-enterprise users](https://support.microsoft.com/en-us/office/learn-more-about-subscriptions-for-microsoft-teams-free-1061bbd0-6d97-46a6-8ca0-21059be3eee3), etc.)
 
 ## Chat architecture