Minor documentation update.
Signed-off-by: NSouptick Joarder <jrdr.linux@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: NRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: NPaul Moore <paul@paul-moore.com>