more markup fix.

Doc/library/asyncore.rst

@@ -224,18 +224,18 @@ any that have been added to the map during asynchronous service) is closed.
 
 .. class:: file_dispatcher()
 
-  A file_dispatcher takes a file descriptor or file object along with an
-  optional map argument and wraps it for use with the :cfunc:`poll`\ or
-  :cfunc:`loop`\ functions.  If provided a file object or anything with a
-  :cfunc:`fileno`\ method, that method will be called and passed to the
-  :class:`file_wrapper` constructor.  Availability: UNIX
+   A file_dispatcher takes a file descriptor or file object along with an
+   optional map argument and wraps it for use with the :cfunc:`poll` or
+   :cfunc:`loop` functions.  If provided a file object or anything with a
+   :cfunc:`fileno` method, that method will be called and passed to the
+   :class:`file_wrapper` constructor.  Availability: UNIX.
 
 .. class:: file_wrapper()
 
-  A file_wrapper takes an integer file descriptor and calls os.dup() to
-  duplicate the handle so that the original handle may be closed independently
-  of the file_wrapper.  This class implements sufficient methods to emulate a
-  socket for use by the file_dispatcher class.  Availability: UNIX
+   A file_wrapper takes an integer file descriptor and calls :func:`os.dup` to
+   duplicate the handle so that the original handle may be closed independently
+   of the file_wrapper.  This class implements sufficient methods to emulate a
+   socket for use by the :class:`file_dispatcher` class.  Availability: UNIX.
 
 
 .. _asyncore-example: