diff --git a/Misc/NEWS b/Misc/NEWS
index cb99814..70ed7ca 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and builtins
 -----------------
 
+- Bug #1421664: sys.stderr.encoding is now set to the same value as
+  sys.stdout.encoding.
+
 - __import__ accepts keyword arguments.
 
 - Patch #1460496: round() now accepts keyword arguments.