Fixing broken links in doc, part 3: the rest
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index a4bed7a..c3ff494 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -67,7 +67,7 @@
a GUI tool for test discovery and execution. This is intended largely for ease of use
for those new to unit testing. For production environments it is
recommended that tests be driven by a continuous integration system such as
- `Buildbot <http://buildbot.net/trac>`_, `Jenkins <http://jenkins-ci.org>`_
+ `Buildbot <http://buildbot.net/>`_, `Jenkins <http://jenkins-ci.org/>`_
or `Hudson <http://hudson-ci.org/>`_.