Multi-arg form for set.difference() and set.difference_update().
diff --git a/Misc/NEWS b/Misc/NEWS
index f721122..afaf05b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,7 +13,7 @@
 -----------------
 
 - Several set methods now accept multiple arguments:  update(), union(),
-  intersection() and intersection_update().
+  intersection(), intersection_update(), difference(), and difference_update().
 
 - Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.