Issue #13738: Simplify implementation of bytes.lower() and bytes.upper().
diff --git a/Misc/NEWS b/Misc/NEWS
index fbc6f67..d8ffec4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,8 @@
 Core and Builtins
 -----------------
 
+- Issue #13738: Simplify implementation of bytes.lower() and bytes.upper().
+
 - Issue #13577: Built-in methods and functions now have a __qualname__.
   Patch by sbt.