Linked tutorial 2 to the admin CSS guide

git-svn-id: http://code.djangoproject.com/svn/django/trunk@144 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/tutorial02.txt

@@ -490,6 +490,11 @@ Django offers another shortcut in this department. Run the command
 ``django-admin.py adminindex polls`` to get a chunk of template code for
 inclusion in the admin index template. It's a useful starting point.
 
+For full details on customizing the look and feel of the Django admin site in
+general, see the `Django admin CSS guide`_.
+
+.. _Django admin CSS guide: http://www.djangoproject.com/documentation/admin_css/
+
 Coming soon
 ===========