kde3.1 pour sarge ?

[moon <moon@free.fr>]

salut,
je cherche un lien pour ma source.list
afin d'upgrader kde

j'a iessayer le lien de kde.org:
deb http://download.kde.org/pub/stable/3.1/Debian stable main 

mais y une erreur quand j'upgrade:
*************************************************************
moon:~# apt-get upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
0 packages upgraded, 0 newly installed, 0 to remove and 0  not upgraded.
W: Couldn't stat source package list http://download.kde.org stable/main Packages (/var/lib/apt/lists/download.kde.org_pub_stable_3.1_Debian_dists_stable_main_binary-i386_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
***********************************************************

merci de m'aider
za+	moon