#24548: replace dead link with pointer to archive.org.

diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index bc3046acbd605ce9e110bac5311341567f3ea681..a082200b2379369c3ebbee57871829f13ed10f27 100644 (file)
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -83,7 +83,7 @@ need to derive from a specific class.
       discovery. unittest2 allows you to use these features with earlier
       versions of Python.
 
-   `Simple Smalltalk Testing: With Patterns <http://www.XProgramming.com/testfram.htm>`_
+   `Simple Smalltalk Testing: With Patterns <https://web.archive.org/web/20150315073817/http://www.xprogramming.com/testfram.htm>`_
       Kent Beck's original paper on testing frameworks using the pattern shared
       by :mod:`unittest`.