Improve CHANGELOG

CHANGELOG.md

@@ -7,7 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Changed
 - Check code format with `ruff` instead of `black`.
-- Check for dataclass instances before encoding as JSON, guarding against edge case.
+### Fixed
+- Check for dataclass instances before encoding as JSON in `write_params()`, guarding against edge case.
 
 ## [1.1.0] - 2023-07-25
 ### Changed
@@ -16,7 +17,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - CI will now test with latest stable Python 3 release.
 - Renamed `dev` optional dependencies to `test`.
 - Unused packages in CI from `requirements.txt` - this does not influence the packages requirements.
-### Fixed
 - Fix bad release links in CHANGELOG.
 
 ## [1.0.0] - 2023-06-28