Fix markup in unittest docs.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 4edc89e..801c22d 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -2017,10 +2017,10 @@
.. note::
- The default pattern is 'test*.py'. This matches all Python files
- that start with 'test' but *won't* match any test directories.
+ The default pattern is ``'test*.py'``. This matches all Python files
+ that start with ``'test'`` but *won't* match any test directories.
- A pattern like 'test*' will match test packages as well as
+ A pattern like ``'test*'`` will match test packages as well as
modules.
If the package :file:`__init__.py` defines ``load_tests`` then it will be