Added details on minified jQuery and DEBUG mode for contrib.admin.

Thanks Daniele Procida.

docs/ref/contrib/admin/index.txt

@@ -1380,6 +1380,9 @@ The :doc:`staticfiles app </ref/contrib/staticfiles>` prepends
 ``None``) to any media paths. The same rules apply as :ref:`regular media
 definitions on forms <form-media-paths>`.
 
+jQuery
+~~~~~~
+
 Django admin Javascript makes use of the `jQuery`_ library. To avoid
 conflicts with user-supplied scripts or libraries, Django's jQuery is
 namespaced as ``django.jQuery``. If you want to use jQuery in your own admin
@@ -1390,6 +1393,15 @@ If you require the jQuery library to be in the global namespace, for example
 when using third-party jQuery plugins, or need a newer version of jQuery, you
 will have to include your own copy of jQuery.
 
+Django provides both uncompressed and 'minified' versions of jQuery, as
+``jquery.js`` and ``jquery.min.js`` respectively.
+
+:class:`ModelAdmin` and :class:`InlineModelAdmin` have a ``media`` property
+that returns a list of ``Media`` objects which store paths to the JavaScript
+files for the forms and/or formsets. If :setting:`DEBUG` is ``True`` it will
+return the uncompressed versions of the various JavaScript files, including
+``jquery.js``; if not, it will return the 'minified' versions.
+
 .. _jQuery: http://jquery.com
 
 Adding custom validation to the admin