update changelog links
@@ -342,7 +342,8 @@ 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/v0.15.0...master
+[Unreleased]: https://github.com/pymedphys/pymedphys/compare/v0.16.0...master
+[0.16.0]: https://github.com/pymedphys/pymedphys/compare/v0.15.0...v0.16.0
[0.15.0]: https://github.com/pymedphys/pymedphys/compare/v0.14.3...v0.15.0
[0.14.3]: https://github.com/pymedphys/pymedphys/compare/v0.14.2...v0.14.3
[0.14.2]: https://github.com/pymedphys/pymedphys/compare/v0.14.1...v0.14.2
