misc/152531: Incorrect sysctl description

[brucec at FreeBSD.org]

Synopsis: Incorrect sysctl description

Responsible-Changed-From-To: freebsd-bugs->maxim
Responsible-Changed-By: brucec
Responsible-Changed-When: Sun Feb 13 19:09:04 UTC 2011
Responsible-Changed-Why: 
MFC reminder.

http://www.freebsd.org/cgi/query-pr.cgi?pr=152531