unknown reference

[Francis Reynders]

Hello,

On this page:
http://www.freebsd.org/doc/en/books/handbook/using-sysinstall.html

in the 1st section, the following is stated:
'A detailed description of these keys and what they do is contained in *
sysinstall*'s usage information.'

However, I cannot find anything resembling 'usage information'. I checked
the man page of sysinstall but did not find any information about the keys.

Best regards,
Francis