Minor changes to the CHANGES doc.

Author: clokep

CHANGES.md

@@ -29,7 +29,7 @@ Bugfixes
 Improved Documentation
 ----------------------
 
-- Clarify the usecase for an msisdn delegate. Contributed by Adrian Wannenmacher. ([\#8734](https://github.com/matrix-org/synapse/issues/8734))
+- Clarify the usecase for a msisdn delegate. Contributed by Adrian Wannenmacher. ([\#8734](https://github.com/matrix-org/synapse/issues/8734))
 - Remove extraneous comma from JSON example in User Admin API docs. ([\#8771](https://github.com/matrix-org/synapse/issues/8771))
 - Update `turn-howto.md` with troubleshooting notes. ([\#8779](https://github.com/matrix-org/synapse/issues/8779))
 - Fix the example on how to set the `Content-Type` header in nginx for the Client Well-Known URI. ([\#8793](https://github.com/matrix-org/synapse/issues/8793))