update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -16,7 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Allow trailing dash in functional utility names for backwards compatibility ([#19696](https://github.com/tailwindlabs/tailwindcss/pull/19696))
-- Fix missing extracted classes in mdx files containing `.` ([#19711](https://github.com/tailwindlabs/tailwindcss/pull/19711))
+- Properly detect classes containing `.` characters within curly braces in MDX files ([#19711](https://github.com/tailwindlabs/tailwindcss/pull/19711))
 
 ## [4.2.0] - 2026-02-18
 
@@ -32,7 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `inline-*`, `min-inline-*`, `max-inline-*` utilities for `inline-size`, `min-inline-size`, and `max-inline-size` ([#19612](https://github.com/tailwindlabs/tailwindcss/pull/19612))
 - Add `block-*`, `min-block-*`, `max-block-*` utilities for `block-size`, `min-block-size`, and `max-block-size` ([#19612](https://github.com/tailwindlabs/tailwindcss/pull/19612))
 - Add `inset-s-*`, `inset-e-*`, `inset-bs-*`, `inset-be-*` utilities for `inset-inline-start`, `inset-inline-end`, `inset-block-start`, and `inset-block-end` ([#19613](https://github.com/tailwindlabs/tailwindcss/pull/19613))
-- Add `font-features-*` utility for `font-feature-settings` ([#19623](https://github.com/tailwindlabs/tailwindcss/pull/19615))
+- Add `font-features-*` utility for `font-feature-settings` ([#19623](https://github.com/tailwindlabs/tailwindcss/pull/19623))
 
 ### Fixed