diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 8621dbc..36836c4 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - All PRINT_LOG and PRINT_ERR to consoleLog() and assertMsg()
+- Refactored makefiles and **env variables**
 
 ## [1.31.2] - 2021-02-06