-deb MIRRORURL $dist main restricted universe multiverse
-deb MIRRORURL $dist-updates main restricted universe multiverse
-deb MIRRORURL $dist-security main restricted universe multiverse
+deb MIRRORURL $ubuntudist main restricted universe multiverse
+deb MIRRORURL $ubuntudist-updates main restricted universe multiverse
+deb MIRRORURL $ubuntudist-security main restricted universe multiverse