diff --git a/Misc/NEWS b/Misc/NEWS
index 0bf7550..5589daf 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -49,6 +49,8 @@
 Library
 -------
 
+- Issue #11628: cmp_to_key generated class should use __slots__
+
 - Issue #5537: Fix time2isoz() and time2netscape() functions of
   httplib.cookiejar for expiration year greater than 2038 on 32-bit systems.