In the function newfs (/sbin/newfs) there is a typo on the help page.
Should be a simple fix, and will make the world a better place.
usage: newfs [ -fsoptions ] special-device [device-type]
where fsoptions are:
-E Erase previuos disk content <-- should be previous
Freebsd 8.0 amd64
Regards,
Brandon Falk