gh-98561: Fix a typo in typing (GH-98562)

(cherry picked from commit b6d5d5b60afc61337c569c07a881003faaa791e7)

Co-authored-by: Omkaar <79257339+Infiniticity@users.noreply.github.com>
diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst
index cfe484b..198bc88 100644
--- a/Doc/library/typing.rst
+++ b/Doc/library/typing.rst
@@ -305,7 +305,7 @@
 class body.
 
 The :class:`Generic` base class defines :meth:`~object.__class_getitem__` so
-that ``LoggedVar[t]`` is valid as a type::
+that ``LoggedVar[T]`` is valid as a type::
 
    from collections.abc import Iterable