HOW TO FIX PLEASE HELP ME

# apt-get update
Ign:1 http://kali.download/kali kali-rolling InRelease
Ign:1 http://kali.download/kali kali-rolling InRelease
Ign:1 http://kali.download/kali kali-rolling InRelease
Err:1 http://kali.download/kali kali-rolling InRelease
Something wicked happened resolving 'kali.download:http' (-5 - No address associated with hostname)
Reading package lists... Done
W: Failed to fetch http://http.kali.org/kali/dists/kali-rolling/InRelease Something wicked happened resolving 'kali.download:http' (-5 - No address associated with hostname)
W: Some index files failed to download. They have been ignored, or old ones used instead.