diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f1f275c..23ab0457 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ will consitute of a breaking change warranting a new major release:
 - The handling function of the GPS data is only called once per GPS read. This should remove
   the fake fix-has-changed events.
 
+## Changed
+- MGM and SUS rates now will only be calculated, if 2 valid consecutive datapoints are available.
+  The stored value of the last timestep will now be reset, if no actual value is available.
+
 # [v6.3.0] 2023-08-03
 
 ## Fixed