Fix minor typo.
diff --git a/Doc/library/test.rst b/Doc/library/test.rst
index 813d2d9..bf1ba4d 100644
--- a/Doc/library/test.rst
+++ b/Doc/library/test.rst
@@ -369,7 +369,7 @@
.. function:: captured_stdout()
- This is a context manager than runs the :keyword:`with` statement body using
+ This is a context manager that runs the :keyword:`with` statement body using
a :class:`StringIO.StringIO` object as sys.stdout. That object can be
retrieved using the ``as`` clause of the :keyword:`with` statement.