diff --git a/Misc/NEWS b/Misc/NEWS
index 6618a15..5b4282a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -11,6 +11,8 @@
 
 Core and Builtins
 -----------------
+- Implement PEP 378, Format Specifier for Thousands Separator, for
+  integers.
 
 - Issue #5666: Py_BuildValue's 'c' code should create byte strings.