προβλημα με προσαρτιση cd-dvd

οταν βαζω cd-dvd μου εμφανιζεται η εξεις ειδοποιηση

[mntent]: line 13 in /etc/fstab is bad

mount: can't find /media/cdrom in /etc/fstab or /etc/mtab

στο /etc/fstab γραφει τα εξεις

# /etc/fstab: static file system information.

#

# Use 'vol_id --uuid' to print the universally unique identifier for a

# device; this may be used with UUID= as a more robust way to name devices

# that works even if disks are added and removed. See fstab(5).

#

# <file system> <mount point> <type> <options> <dump> <pass>

proc /proc proc defaults 0 0

# / was on /dev/sda5 during installation

UUID=2d996490-cd74-4d2c-a56d-08f55f805341 / ext3 relatime,errors=remount-ro 0 1

# swap was on /dev/sda6 during installation

UUID=adb61c79-fc7f-442c-bdf8-414ee202e51b none swap sw 0 0

/dev/scd0 /media/cdrom udf,iso9660 user,noauto,exec,utf8 0 0none /proc/bus/usb usbfs devgid=1001,devmode=664 0 0  μηπως γνωριζει κανεις τι πρεπει να διορθωσω