At E3 he said that you had to use the "B" button to fight with your sword, but now Nintendo have decided that players will be able to take full advantage of the revolutionary controller, and move your sword by actually moving the wiimote.
Miyamoto also said that the "B" button now will be used as a fire button for the bow, which should feel far more accessible.
He did not say if this was the final implementation or whether players can toggle between the two modes.
"I can't talk about it yet, but this Zelda has a lot to it. What you played at E3 was just the tip of the nail. It's coming along quite nicely."
The legend of Zelda: Twilight princess is scheduled for release at the launch day of Wii, later this year.