Fix typo in unittest.mock documentation: manger -> manager (GH-12352)
diff --git a/Doc/library/unittest.mock.rst b/Doc/library/unittest.mock.rst
index c011e54..ff7a54c 100644
--- a/Doc/library/unittest.mock.rst
+++ b/Doc/library/unittest.mock.rst
@@ -1440,7 +1440,7 @@
>>> test_function()
If :func:`patch.multiple` is used as a context manager, the value returned by the
-context manger is a dictionary where created mocks are keyed by name::
+context manager is a dictionary where created mocks are keyed by name::
>>> with patch.multiple('__main__', thing=DEFAULT, other=DEFAULT) as values:
... assert 'other' in repr(values['other'])