Fix a typo and a trailing space.

N.B. NEWS doesn't mention that map() and filter() return iterators.

Misc/NEWS

@@ -34,7 +34,7 @@ Core and Builtins
 
 - Remove tuple parameter unpacking (PEP 3113).
 
-- Remove the f_restricted attribute from frames.  This naturally leads to teh
+- Remove the f_restricted attribute from frames.  This naturally leads to the
   removal of PyEval_GetRestricted() and PyFrame_IsRestricted().
 
 - PEP 3132 was accepted. That means that you can do ``a, *b = range(5)``