lol (dat meme). Almost, but not quite. The idea of this method is that orienting the edges becomes easier with the third available side. And steps 5 and 6 certainly aren't Petrus.Swap step 2 and 3 and you have Petrus.
http://www.speedsolving.com/wiki/in..._you_could_just_use_petrus_.28July.2C_2009.29 = "Or you could just use Petrus."