Fix changelog error

Author: cwfitzgerald

CHANGELOG.md

@@ -133,7 +133,8 @@ Released 2019-08-09
 
 ## Diffs
 
-- [Unreleased](https://github.com/cwfitzgerald/path-dsl-rs/compare/v0.6.0...HEAD)
+- [Unreleased](https://github.com/cwfitzgerald/path-dsl-rs/compare/v0.6.1...HEAD)
+- [v0.6.1](https://github.com/cwfitzgerald/path-dsl-rs/compare/v0.6.0...v0.6.1)
 - [v0.6.0](https://github.com/cwfitzgerald/path-dsl-rs/compare/v0.5.4...v0.6.0)
 - [v0.5.4](https://github.com/cwfitzgerald/path-dsl-rs/compare/v0.5.3...v0.5.4)
 - [v0.5.3](https://github.com/cwfitzgerald/path-dsl-rs/compare/v0.5.2...v0.5.3)