diff --git a/Misc/NEWS b/Misc/NEWS
index 68f72c21656..b73f664b5a2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -205,6 +205,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #16743: Fix mmap overflow check on 32 bit Windows.
+
 - Issue #11311: StringIO.readline(0) now returns an empty string as all other
   file-like objects.