Update Changelog

eldruin · eldruin · commit 969d94cd8c19 · 2021-10-05T21:26:12.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [v0.4.0-alpha.1] - 2021-09-27
 
+### Added
+
+- `CountDown` implementation for `SysTimer`.
+
 ### Changed
 
 - Modified `OutputPin` behavior for active-low pins to match `InputPin` behavior.
