It's been a while since I used it and but I know I didn't use that step. Waiting for device just means that the toolkit can not detect your device. Did you enable the USB debugging before proceeding? I can't run every steps because I'm already rooted. The notes before beginning say:
TO ENABLE USB DEBUGGING IN JELLYBEAN 4.2 GOTO SETTINGS, ABOUT PHONE AND TAP ON THE
'BUILD NUMBER' TEXT 7 TIMES UNTIL IT SAYS YOU ARE NOW A DEVELOPER. YOU CAN NOW SEE
DEVELOPER OPTIONS IN THE SETTINGS SCREEN TO ENTER AND ENABLE USB DEBUGGING.