diff --git a/Misc/NEWS b/Misc/NEWS
index 81ff2e93c4d..185e14d55a0 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -178,6 +178,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #16743: Fix mmap overflow check on 32 bit Windows.
+
 - Issue #16800: tempfile.gettempdir() no longer left temporary files when
   the disk is full.  Original patch by Amir Szekely.