If you watch the video, he talks about how using “current” as the id will not work in this situation. I forget why he says that, but he does. If you want to take a look at the video, it is here:
It’s a bit long, but you can skip most of it, if you just want to see how he codes it. I believe I have everything right, but it does not seem to be working, which would suggest that I do not.