Issue 2918: Merge StringIO and cStringIO.
diff --git a/Misc/NEWS b/Misc/NEWS
index 6bf1441..c6f91ef 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -78,6 +78,8 @@
 Library
 -------
 
+- Added C optimized implementation of io.StringIO.
+
 - The ``pickle`` module is now automatically use an optimized C
   implementation of Pickler and Unpickler when available. The
   ``cPickle`` module is no longer needed.