fix typo in unittest docs (closes #26046)
Patch from Upendra Kumar.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index a8d9f53..a896fc1 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -118,7 +118,7 @@
The :meth:`~TestCase.setUp` and :meth:`~TestCase.tearDown` methods allow you
to define instructions that will be executed before and after each test method.
-They are covered in more details in the section :ref:`organizing-tests`.
+They are covered in more detail in the section :ref:`organizing-tests`.
The final block shows a simple way to run the tests. :func:`unittest.main`
provides a command-line interface to the test script. When run from the command