fix CHANGELOG

Author: jnweiger

CHANGELOG.md

@@ -154,7 +154,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Verify Bearer token even if the session is still valid - [#53](https://github.com/owncloud/oauth2/pull/53)
 - Use displayname on switch user screen - [#90](https://github.com/owncloud/oauth2/pull/90)
 
-[Unreleased]: https://github.com/owncloud/oauth2/compare/v0.6.0...master
+[Unreleased]: https://github.com/owncloud/oauth2/compare/v0.6.1...master
+[0.6.1]: https://github.com/owncloud/oauth2/compare/v0.6.0...v0.6.1
 [0.6.0]: https://github.com/owncloud/oauth2/compare/v0.5.3...v0.6.0
 [0.5.3]: https://github.com/owncloud/oauth2/compare/v0.5.2...v0.5.3
 [0.5.2]: https://github.com/owncloud/oauth2/compare/v0.5.1...v0.5.2