diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65e197a0..2fdbf546 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,7 +22,8 @@ will consitute of a breaking change warranting a new major release:
 
 - SPG4 Propagator is now used for propagating the position of EIVE. It will only work once
   a TLE has been uploaded with the newly added action command for the ACS Controller. In
-  return the actual GPS data will be ignored once SPG4 is running.
+  return the actual GPS data will be ignored once SPG4 is running. However, by setting the
+  according parameter, the ACS Controller can be directed to ignore the SPG4 solution. 
 
 ## Fixed
 - The handling function of the GPS data is only called once per GPS read. This should remove