That's because the default in-game key binding for your talent pane is
N. You seem to not be understanding that you need to assign an Interact with Target key binding
in World of Warcraft because this action is not bound to anything by default
in the game itself. Here are the instructions you should have first followed direct from the Wiki page (this is also shown in the video you watched):
Here's an image if you still can't find it:
Don't set it to "J" like it's shown in the image, set it to "G" which is what you are sending to the game clients.
Connect With Us