diff --git a/CHANGES b/CHANGES
index d407a29c9aa..37c9be1be6f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -7,6 +7,10 @@ Dependencies
 Incompatible changes
 --------------------
 
+* #9672: The rendering of Python domain declarations is implemented
+  with more docutils nodes to allow better CSS styling.
+  It may break existing styling.
+
 Deprecated
 ----------