diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a3062a..d6d1357 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-...
+### Added
+- Support for alarms 1 and 2.
 
 ### Changed
 - [breaking-change] `clear_has_been_stopped_flag()` always sets the value of the status register.