diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4af541aa..ff9b3511 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ will consitute of a breaking change warranting a new major release:
 
 - Persistent TM stores will now create new files on each reboot.
 - Fast ACS subsystem commanding: Command SUS board consecutively with other devices now
+- Star Tracker: Use ground confguration for EM and flight config for FM by default.
 
 ## Fixed