502: Updated CHANGELOG.md

Author: Vitaliy Boyko

CHANGELOG.md

@@ -10,6 +10,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0).
 
 - Require restart on plugin update due to using native libraries
 
+### Fixed
+
+- Class completion doesn't display interfaces
+
 ## 3.1.2
 
 ### Fixed