Thanks for reporting this - it appears that the link is broken in the html docs on help.ubuntu.com, but the link works in the system docs shipped with Ubuntu. There is an extra / appended to the end of the URL.
Thanks for reporting this - it appears that the link is broken in the html docs on help.ubuntu.com, but the link works in the system docs shipped with Ubuntu. There is an extra / appended to the end of the URL.