Update changelog wording

Author: chriscerie

CHANGELOG.md

@@ -8,7 +8,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Changed
 - Updated the warning message for the `mixed_table` lint to include why mixed tables should be avoided
-- Properly deprecated `Instance.new`'s parent argument
+- Properly deprecated `Instance.new`'s second argument in the Roblox standard library
 
 ## [0.26.1](https://github.com/Kampfkarren/selene/releases/tag/0.26.1) - 2023-11-11
 ### Fixed