Repaired typo.

NEWS.txt

@@ -184,7 +184,7 @@ BTrees
 ------
 
 - (3.5a9) BTrees and Buckets now implement the ``setdefault()`` method.
-  This is exactly list Python's ``setdefault()`` method for dictionaries,
+  This is exactly like Python's ``setdefault()`` method for dictionaries,
   except that both arguments are required (and Python is likely to change
   to require both arguments too -- defaulting the ``default`` argument to
   ``None`` has no viable use cases).  Thanks to Ruslan Spivak for