Use appcfg.py to upload applications 404 Not Found

The Dashboard in Google App Engine advises:

Use appcfg.py to upload applications from your computer to Google App Engine

The URL it directs you to: http://code.google.com/appengine/docs/appcfgpy.html which returns a 404 Not Found

Use http://code.google.com/appengine/docs/python/tools/uploadinganapp.html instead