Move source links to consistent location and remove wordy, big yellow boxes.
diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst
index 5e1a11a..5c56a5d 100644
--- a/Doc/library/contextlib.rst
+++ b/Doc/library/contextlib.rst
@@ -4,16 +4,12 @@
.. module:: contextlib
:synopsis: Utilities for with-statement contexts.
+**Source code:** :source:`Lib/contextlib.py`
This module provides utilities for common tasks involving the :keyword:`with`
statement. For more information see also :ref:`typecontextmanager` and
:ref:`context-managers`.
-.. seealso::
-
- Latest version of the :source:`contextlib Python source code
- <Lib/contextlib.py>`
-
Functions provided: