Wording fixes to 1.50.0/1 changelog entries

CHANGES.md

@@ -6,15 +6,15 @@ This release fixes a bug in Synapse 1.50.0 that could prevent clients from being
 Bugfixes
 --------
 
-- Fix a bug introduced in Synapse 1.50.0rc1 that could cause Matrix clients to be unable to connect to Synapse instances with the 'webclient' resource enabled. ([\#11764](https://github.com/matrix-org/synapse/issues/11764))
+- Fix a bug introduced in Synapse 1.50.0rc1 that could cause Matrix clients to be unable to connect to Synapse instances with the `webclient` resource enabled. ([\#11764](https://github.com/matrix-org/synapse/issues/11764))
 
 
 Synapse 1.50.0 (2022-01-18)
 ===========================
 
-**This release has a critical bug that may prevent clients from being able to connect. 
+**This release contains a critical bug that may prevent clients from being able to connect. 
 As such, it is not recommended to upgrade to 1.50.0. Instead, please upgrade straight to
-to 1.50.1. Further details are in [this issue](https://github.com/matrix-org/synapse/issues/11763).**
+to 1.50.1. Further details are available in [this issue](https://github.com/matrix-org/synapse/issues/11763).**
 
 Please note that we now only support Python 3.7+ and PostgreSQL 10+ (if applicable), because Python 3.6 and PostgreSQL 9.6 have reached end-of-life.