fix changelog header links
@@ -380,7 +380,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
- Began keeping record of changes in `changelog.md`
-[Unreleased]: https://github.com/pymedphys/pymedphys/compare/v0.17.0...master
+[Unreleased]: https://github.com/pymedphys/pymedphys/compare/v0.17.1...master
+[0.17.1]: https://github.com/pymedphys/pymedphys/compare/v0.17.0...v0.17.1
[0.17.0]: https://github.com/pymedphys/pymedphys/compare/v0.16.3...v0.17.0
[0.16.3]: https://github.com/pymedphys/pymedphys/compare/v0.16.2...v0.16.3
[0.16.2]: https://github.com/pymedphys/pymedphys/compare/v0.16.1...v0.16.2
