Fix typo, finish sentence and add missing dots.
Signed-off-by: NLuka Perkov <luka@openwrt.org>
CC: Randy Dunlap <rdunlap@infradead.org>
Acked-by: NEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: NZhang Rui <rui.zhang@intel.com>