uncle ben's topping method

Yo this babe just 20 days in, my first grow but I've researched as much as I can. I've read about Uncle Ben's method and that's what I plan to do but I'm not sure if I should top just yet or wait for the branches at the nodes to grow a little more before I top her. Any help would be appreciated boys

Hello RIU members! So, after growing autos for years I've begun trying my hand at photoperiod, and decided I was going to use Uncle Ben's method of waiting for 5-6 nodes, then chopping just above the second true node. My question is, due to the fact that I'll be basically chopping the plant in...