diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67e7a6f4..19a867f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,10 @@ will consitute of a breaking change warranting a new major release:
 - Do not construct and schedule broken TMP1075 device anymore.
 - Do not track payload modes in system mode tables.
 
+## Added
+
+- Add the remaining system modes derives from the ACS modes.
+
 ## Fixed
 
 - Host build is working again. Added reduced live TM helper which schedules the PUS and CFDP