update CHANGELOG.md

CHANGELOG.md

@@ -6,12 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-### Fixed
-- Version specification of `rhoknp` in `pyproject.toml`.
 
 ## [v2.1.3] - 2023-08-28
 ### Fixed
-- Fix a bug caused by the latest version of `rhoknp`.
+- Version specification of `rhoknp` in `pyproject.toml`.
 
 ## [v2.1.2] - 2023-06-07
 ### Added
@@ -177,7 +175,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed
 - Remove an unnecessary dependency, `fugashi`.
 
-[Unreleased]: https://github.com/ku-nlp/kwja/compare/v2.1.2...HEAD
+[Unreleased]: https://github.com/ku-nlp/kwja/compare/v2.1.3...HEAD
+[2.1.3]: https://github.com/ku-nlp/kwja/compare/v2.1.2...v2.1.3
 [2.1.2]: https://github.com/ku-nlp/kwja/compare/v2.1.1...v2.1.2
 [2.1.1]: https://github.com/ku-nlp/kwja/compare/v2.1.0...v2.1.1
 [2.1.0]: https://github.com/ku-nlp/kwja/compare/v2.0.0...v2.1.0