diff --git a/doc/changelog.rst b/doc/changelog.rst
index e84ffce5fe567e60f1b0695d2b8317ba2ab3b8ec..572e178a8042c024f76d6c3f6672962ebd2f1b67 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -21,7 +21,10 @@ unreleased
     - reorganize the Howto section :mr:`169`
     - improve SLURM scripts with named arguments :mr:`176`
     - adds notebook for DSSC fine timing analysis :mr:`184` and :mr:`185`
-  
+		- numerous improvements for the flat field correction calculation
+			in the BOY analysis, including fitting domain functions, hexagonal
+			pixel lattice and a refine fit function :mr:`186`
+ 
 - **New Features**
     - add routine for fluence calibration :mr:`180`