diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f92ffec..40f21f87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,10 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+## Changed
+
+- Changed source for state machine of detumbling to SUS and MGM only.
+
 # [v8.1.1] 2024-06-05
 
 ## Added