update CHANGELOG

Author: eheydrick

CHANGELOG.md

@@ -41,7 +41,8 @@ This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachang
 ### Added
 - initial release
 
-[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-haproxy/compare/0.1.0...HEAD
+[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-haproxy/compare/0.1.1...HEAD
+[0.1.1]: https://github.com/sensu-plugins/sensu-plugins-haproxy/compare/0.1.0...0.1.1
 [0.1.0]: https://github.com/sensu-plugins/sensu-plugins-haproxy/compare/0.0.5...0.1.0
 [0.0.5]: https://github.com/sensu-plugins/sensu-plugins-haproxy/compare/0.0.4...0.0.5
 [0.0.4]: https://github.com/sensu-plugins/sensu-plugins-haproxy/compare/0.0.3...0.0.4