Scan another CD or DVD ?

[ahmad83]

Hi sir
i created my own distribution everything is ok except
during the installatin i am getting one option
"Scan another cd or dvd "
but my distro is only one dvd. so i dont want the option "Scan another cd or dvd "
please help me out how can i remove this optin from my distro ?
where should i modify or change so that option should not come ?

Thanks in adnvance
Ahmad