Correct changelog

Author: Artem Labazin

CHANGELOG.md

@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [1.2.0](https://github.com/appulse-projects/utils-java/releases/tag/1.2.0) - 2018-02-01
 
+Add socket utils class, with help functions related to sockets work.
+
 ### Added
 
 - Method `array(int)` in `Bytes` for getting `byte[]` with offset.