Update CHANGELOG.md

Author: danney-chun

CHANGELOG.md

@@ -3,7 +3,7 @@
 
 ## v4.2.5 (Jan 17, 2023)
 ### **Improvements**
-- Fixed a bug in `MessageCollection` onMessgesAdded event tiggered for old messages
+- Fixed a bug in `MessageCollection` onMessagesUpdated event triggered for old messages
 - Fixed a bug where calling connect while offline did not reconnect even when the app came online
 - Improved stability