docs/154950: [patch] fix common typos #3

[ryusuke at FreeBSD.org]

Synopsis: [patch] fix common typos #3

Responsible-Changed-From-To: freebsd-doc->ryusuke
Responsible-Changed-By: ryusuke
Responsible-Changed-When: Tue Feb 22 09:30:08 UTC 2011
Responsible-Changed-Why: 
I'll take this. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=154950