made a mistake while filling the W 7 form

hello

I'm on my h4 visa..while filling the form for ITIN (w-7 form).i made a mistake when i checked the box(reason for submitting the w 7 form).i checked the box "U.S resident alien(based on the days present in the US)filing the US tax return and not eligible for SSN.i posted it and right now i have got a reply from them asking for my passport and ID.i dont know what to do now and i'm very much confused.can somebody help me in what i've to do next