make release notes more exact

Author: dcastil

docs/changelog/v2-changelog.md

@@ -4,7 +4,7 @@
 
 ### New Features
 
--   Performance improvements in mergeClassList by [@XantreDev](htttps://github.com/XantreDev) and [@rortan134](https://github.com/rortan134) in [#450](https://github.com/dcastil/tailwind-merge/pull/450)
+-   Performance improvements in mergeClassList by [@XantreDev](htttps://github.com/XantreDev) in [#450](https://github.com/dcastil/tailwind-merge/pull/450) and [@rortan134](https://github.com/rortan134) in [#445](https://github.com/dcastil/tailwind-merge/pull/445)
 -   Use arrow functions where possible to help with minification by [@VIKTORVAV99](htttps://github.com/VIKTORVAV99) in [#449](https://github.com/dcastil/tailwind-merge/pull/449)
 
 ## v2.4.0