diff --git a/docs/project/changelog.rst b/docs/project/changelog.rst
index 8e1ad81f0..792f8ede4 100644
--- a/docs/project/changelog.rst
+++ b/docs/project/changelog.rst
@@ -41,6 +41,10 @@ Improvements
   implementations for consistency with the legacy implementation, even though
   this is never a good idea.
 
+* Added ``close_code`` and ``close_reason`` attributes in the :mod:`asyncio` and
+  :mod:`threading` implementations for consistency with the legacy
+  implementation.
+
 Bug fixes
 .........