diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee252ea0..f4df7113 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+### Changed
+- calender week is now handled with a variable translation in order to move number language specific
+
 ## [2.1.3] - 2017-10-01
 
 **Note:** This update uses new dependencies. Please update using the following command: `git pull && npm install`