Here is a video.
http://www.wonderhowto.com/how-to-kn...stitch-314267/
I was having a hard time figuring out how you would be getting triangles. So I did more hunting. There is a German version done with yos. In case, that is what you are working. Here is a link.
http://www.strickmoden.de/handknit/fishermans_rib.html