What do i add/change in my source list. To add testing without errors
this is what i have.
#
# deb cdrom:[Debian GNU/Linux 5.0.0 _Lenny_ - Official i386 CD Binary-1 20090214-16:29]/ lenny main
# deb cdrom:[Debian GNU/Linux 5.0.0 _Lenny_ - Official i386 CD Binary-1 20090214-16:29]/ lenny main
deb http://ftp.us.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.us.debian.org/debian/ lenny main contrib non-free
deb http://security.debian.org/ stable/updates main contrib non-free
# deb-src http://ftp.us.debian.org/debian/ stable/updates main contrib non-free
#deb http://ftp.us.debian/org/debian/ testing main contrib non-free
#deb http://security.debian.org/ testing/updates main contrib non-free
deb http://volatile.debian.org/debian-volatile lenny/volatile main contrib non-free
deb-src http://volatile.debian.org/debian-volatile lenny/volatile main contrib non-free
deb http://www.backports.org/debian lenny-backports main contrib non-free
but i get error:: Could not download all repository indexes
when i activate testing.
