Help!! kali rolling repositories does not have release file

[kirby21]

im newbie from linux and im two days stuck with

 apt-get update

here's my sources.list

deb http://http.kali.org/kali kali-rolling main contrib non-free
# For source package access, uncomment the following line
deb-src http://http.kali.org/kali kali-rolling main contrib non-free

and here's the error.

W: The repository 'http://http.kali.org/kali kali-rolling Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://http.kali.org/kali/dists/kali-rolling/main/binary-amd64/Packages  Connection failed
E: Some index files failed to download. They have been ignored, or old ones used instead.

here's my uname

Linux kali 4.6.0-kali1-amd64 #1 SMP Debian 4.6.4-1kali1 (2016-07-21) x86_64 GNU/Linux

im not using virtual box nor vmware. im using a dual boot laptop

i would like to use the fluxion that is why i install a kali rolling to my laptop.

thanks in advance