Update CHANGELOG

Author: adrien2p

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [1.1.7] - 2018-05-12
+## [1.1.7-1.1.8] - 2018-05-12
 
 ### Update