[docs] fixup parameter names
[docs] fixup parameter names

resolves https://github.com/facebook/libphenom/issues/36

yangjin-unique/libphenom,seem-sky/libphenom,sakishum/libphenom,ChinaLongGanHu/libphenom,sakishum/libphenom,zhakui/libphenom,facebook/libphenom,zhenglaizhang/libphenom,dailypips/libphenom,zhakui/libphenom,rogerchina/libphenom,facebook/libphenom,zhenglaizhang/libphenom,ChinaLongGanHu/libphenom,seem-sky/libphenom,seem-sky/libphenom,zhenglaizhang/libphenom,mhaberler/libphenom,ChinaLongGanHu/libphenom,zhakui/libphenom,zhakui/libphenom,mhaberler/libphenom,yangjin-unique/libphenom,rogerchina/libphenom,mhaberler/libphenom,dailypips/libphenom,ChinaLongGanHu/libphenom,sakishum/libphenom,ChinaLongGanHu/libphenom,mhaberler/libphenom,facebook/libphenom,seem-sky/libphenom,seem-sky/libphenom,yangjin-unique/libphenom,mhaberler/libphenom,dailypips/libphenom,rogerchina/libphenom,facebook/libphenom,dailypips/libphenom,zhenglaizhang/libphenom,sakishum/libphenom,rogerchina/libphenom,zhenglaizhang/libphenom,dailypips/libphenom,yangjin-unique/libphenom,facebook/libphenom,sakishum/libphenom,zhakui/libphenom,yangjin-unique/libphenom,rogerchina/libphenom