oy: I said the same thing. I was told that R’ Schachter and R’ Willig have both said the same as well. It’s apparently a very prevalent mistake, just like saying the words “Hashem S’fasai Tiftach Ufi Yagid Tehilasecha” while taking 3 steps back and forward.
nsnsh: You have to wait 3 seconds before stepping forward, not after.