diff --git a/AUTHORS b/AUTHORS
index aaa6329ea4..bfcd23f013 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -703,7 +703,7 @@ A big THANK YOU goes to:
 
     Ian Bicking for convincing Adrian to ditch code generation.
 
-    Mark Pilgrim for "Dive Into Python" (http://diveintopython.net,
+    Mark Pilgrim for "Dive Into Python" (http://www.diveintopython.net,
     http://www.diveintopython3.net).
 
     Guido van Rossum for creating Python.
diff --git a/docs/intro/contributing.txt b/docs/intro/contributing.txt
index 675a6c6155..2e828de40d 100644
--- a/docs/intro/contributing.txt
+++ b/docs/intro/contributing.txt
@@ -37,7 +37,7 @@ so that it can be of use to the widest audience.
     to |django-developers| or drop by `#django-dev on irc.freenode.net`__ to
     chat with other Django users who might be able to help.
 
-__ http://diveintopython3.net/
+__ http://www.diveintopython3.net/
 __ irc://irc.freenode.net/django-dev
 
 What does this tutorial cover?
@@ -288,7 +288,7 @@ correctly in a couple different situations.
       your teeth into, there's always the `Python unittest documentation`__.
 
 __ https://code.djangoproject.com/ticket/17549
-__ http://diveintopython.net/unit_testing/index.html
+__ http://www.diveintopython.net/unit_testing/index.html
 __ http://docs.python.org/library/unittest.html
 
 Running your new test
diff --git a/docs/intro/index.txt b/docs/intro/index.txt
index 18664ef053..2edad7f9ff 100644
--- a/docs/intro/index.txt
+++ b/docs/intro/index.txt
@@ -34,5 +34,5 @@ place: read this material to quickly get up and running.
 
     .. _python: http://python.org/
     .. _list of Python resources for non-programmers: https://wiki.python.org/moin/BeginnersGuide/NonProgrammers
-    .. _Dive Into Python: http://diveintopython3.net/
+    .. _Dive Into Python: http://www.diveintopython3.net/
     .. _books about Python: https://wiki.python.org/moin/PythonBooks
diff --git a/docs/ref/django-admin.txt b/docs/ref/django-admin.txt
index 32371f90f5..cdc312d05c 100644
--- a/docs/ref/django-admin.txt
+++ b/docs/ref/django-admin.txt
@@ -1528,7 +1528,7 @@ variable.
 Note that this option is unnecessary in ``manage.py``, because it takes care of
 setting the Python path for you.
 
-.. _import search path: http://diveintopython.net/getting_to_know_python/everything_is_an_object.html
+.. _import search path: http://www.diveintopython.net/getting_to_know_python/everything_is_an_object.html
 
 .. django-admin-option:: --settings
 
diff --git a/docs/topics/http/urls.txt b/docs/topics/http/urls.txt
index 39c96b2e02..837aaa446c 100644
--- a/docs/topics/http/urls.txt
+++ b/docs/topics/http/urls.txt
@@ -112,7 +112,7 @@ Example requests:
 * ``/articles/2003/03/03/`` would match the final pattern. Django would call
   the function ``news.views.article_detail(request, '2003', '03', '03')``.
 
-.. _Dive Into Python's explanation: http://diveintopython.net/regular_expressions/street_addresses.html#re.matching.2.3
+.. _Dive Into Python's explanation: http://www.diveintopython.net/regular_expressions/street_addresses.html#re.matching.2.3
 
 Named groups
 ============
diff --git a/docs/topics/settings.txt b/docs/topics/settings.txt
index 1cfcd262cd..3da5226be9 100644
--- a/docs/topics/settings.txt
+++ b/docs/topics/settings.txt
@@ -46,7 +46,7 @@ The value of ``DJANGO_SETTINGS_MODULE`` should be in Python path syntax, e.g.
 ``mysite.settings``. Note that the settings module should be on the
 Python `import search path`_.
 
-.. _import search path: http://diveintopython.net/getting_to_know_python/everything_is_an_object.html
+.. _import search path: http://www.diveintopython.net/getting_to_know_python/everything_is_an_object.html
 
 The django-admin.py utility
 ---------------------------