Recovering #ubuntu grub after #fedora install

i have added in the
grub/menu.lst


title Ubuntu karmic (development branch), kernel 2.6.31-14-generic
root (hd0,0)
kernel /boot/vmlinuz-2.6.31-14-generic root=/dev/sda1 ro quiet splash
initrd /boot/initrd.img-2.6.31-14-generic
quiet


and rebooted

then from ubuntu

sudo grub-install /dev/sda1
and i'm back to ubuntu for the moment