this is how mkconfig made the en

menuentry 'Arch Linux, with Linux linux' --class archlinux --class gnu-linux --class gnu --class os {
	load_video
	set gfxpayload=keep
	insmod gzio
	insmod lvm
	insmod part_msdos
	insmod ext2
	set root='(vg0-lvroot)'
	search --no-floppy --fs-uuid --set=root 6dbe2006-defc-4c1b-93ea-80d17672ef7b
	echo	'Loading Linux linux ...'
	linux	/boot/vmlinuz-linux root=/dev/mapper/vg0-lvroot ro  quiet
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initramfs-linux.img
}