igor -Ry and some other rewording and fixes.

Differential Revision:	https://reviews.freebsd.org/D651
Reviewed by:	wblock
Sponsored by:	Absolight


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45615 c2e8774f-c49f-e111-b436-862b2bbc8956
igor -Ry and some other rewording and fixes.

Differential Revision:	https://reviews.freebsd.org/D653
Reviewed by:	wblock
Sponsored by:	Absolight


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45616 c2e8774f-c49f-e111-b436-862b2bbc8956
igor -Ry and some other rewording and fixes.

Differential Revision:	https://reviews.freebsd.org/D655
Reviewed by:	wblock
Sponsored by:	Absolight


git-svn-id: svn+ssh://svn.freebsd.org/doc/head@45617 c2e8774f-c49f-e111-b436-862b2bbc8956