More source links.
diff --git a/Doc/library/tarfile.rst b/Doc/library/tarfile.rst
index d578a79..9b7071b 100644
--- a/Doc/library/tarfile.rst
+++ b/Doc/library/tarfile.rst
@@ -8,6 +8,9 @@
 .. moduleauthor:: Lars Gustäbel <lars@gustaebel.de>
 .. sectionauthor:: Lars Gustäbel <lars@gustaebel.de>
 
+**Source code:** :source:`Lib/tarfile.py`
+
+--------------
 
 The :mod:`tarfile` module makes it possible to read and write tar
 archives, including those using gzip or bz2 compression.