Fixed typo in docs/django-admin.py

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1905 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/django-admin.txt

@@ -28,6 +28,7 @@ Usage
 =====
 
 ``django-admin.py action [options]``
+
 ``manage.py action [options]``
 
 ``action`` should be one of the actions listed in this document. ``options``,