diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8bb7dd..86d66fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [unreleased]
+
+### 🧪 Testing
+
+- *(fs)* Update test descriptions and comments to English - ([5f55c73](https://git.0xmax42.io/maxp/systemd-timer/commit/5f55c735f96c787bb90b88e1aebb05660e3a4a42))
+- *(fs)* Add rollback tests for writeUnitFiles errors - ([140b18b](https://git.0xmax42.io/maxp/systemd-timer/commit/140b18b7cdd51d0e263003c105c9c809e7a594f1))
+
 ## [0.4.1](https://git.0xmax42.io/maxp/systemd-timer/compare/v0.4.0..v0.4.1) - 2025-05-28
 
 ### 🐛 Bug Fixes