Add NEWS entry for #2831.
diff --git a/Misc/NEWS b/Misc/NEWS
index 8dadbe7..4f0f06a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and Builtins
 -----------------
 
+- Issue #2831: enumerate() now has a ``start`` argument.
+
 - Issue #2801: fix bug in the float.is_integer method where a ValueError
   was sometimes incorrectly raised.