The :class:`contextlib.AbstractContextManager` class has been added to
provide an abstract base class for context managers. It provides a
sensible default implementation for `__enter__()` which returns
-`self` and leaves `__exit__()` an abstract method. A matching
+``self`` and leaves `__exit__()` an abstract method. A matching
class has been added to the :mod:`typing` module as
:class:`typing.ContextManager`.
(Contributed by Brett Cannon in :issue:`25609`.)