docs/148984: [handbook] Mistake in section 16.15.4 of the handbook

[bcr at FreeBSD.org]

Synopsis: [handbook] Mistake in section 16.15.4 of the handbook

Responsible-Changed-From-To: bcr->freebsd-doc
Responsible-Changed-By: bcr
Responsible-Changed-When: Sun Feb 13 12:39:34 UTC 2011
Responsible-Changed-Why: 
Throw this one back into the pool. I don't have enough time right now
to setup a proper environment to test the proposed change.

http://www.freebsd.org/cgi/query-pr.cgi?pr=148984