diff --git a/CHANGES.rst b/CHANGES.rst
index 729df9c4..949088f5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -70,6 +70,9 @@ Changes in this release include the following:
 
 * Fix type error that would occur using pycolourchooser. (#957)
 
+* Optimize line drawing in HyperTreeList. (#973)
+
+
 
 
 4.0.3 "The show must go on. (Die show-stoppers! Die!)"