#5341: fix parenthesis placement.

Doc/glossary.rst

@@ -315,7 +315,7 @@ Glossary
 
    iterator
       An object representing a stream of data.  Repeated calls to the iterator's
-      :meth:`__next__` (or passing it to the built-in function)  :func:`next`
+      :meth:`__next__` (or passing it to the built-in function :func:`next`)
       method return successive items in the stream.  When no more data are
       available a :exc:`StopIteration` exception is raised instead.  At this
       point, the iterator object is exhausted and any further calls to its