diff --git a/Misc/NEWS b/Misc/NEWS
index e44b9a09584..382544c3a1d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,8 +10,8 @@ What's New in Python 3.3.0 Beta 2?
 Core and Builtins
 -----------------
 
-- Issue #15466: Stop using TYPE_INT64 in marshal, to make bytecode
-  files 
+- Issue #15466: Stop using TYPE_INT64 in marshal, to make importlib.h
+  (and other byte code files) equal between 32-bit and 64-bit systems.
 
 - Issue #1692335: Move initial args assignment to
   BaseException.__new__ to help pickling of naive subclasses.