Remove duplication.
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 30c4b10..c0c0ae8 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -1494,7 +1494,7 @@
a new shared object -- see documentation for the *method_to_typeid*
argument of :meth:`BaseManager.register`.
- If an exception is raised by the call, then then is re-raised by
+ If an exception is raised by the call, then is re-raised by
:meth:`_callmethod`. If some other exception is raised in the manager's
process then this is converted into a :exc:`RemoteError` exception and is
raised by :meth:`_callmethod`.
@@ -1617,7 +1617,7 @@
The *chunksize* argument is the same as the one used by the :meth:`.map`
method. For very long iterables using a large value for *chunksize* can
- make make the job complete **much** faster than using the default value of
+ make the job complete **much** faster than using the default value of
``1``.
Also if *chunksize* is ``1`` then the :meth:`!next` method of the iterator