2x2 pbl

Hi there, id like to use this alg for the *swap UF corners* PBL stage of 2x2. It is listed on the wiki here: http://www.speedsolving.com/wiki/index.php/PBL Im talking about this one: R U2 R' U' R U2 L' U R' U' L' but it seems to me that there is a mistake in there, but i can not find whats...