package xorg 1:7.6+7ubuntu1 failed to install/upgrade: trying to overwrite '/usr/share/doc/xorg', which is also in package xserver-xorg 1:7.6+7ubuntu2

[alex]

after apt-get dist-upgrade

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic x86_64
Architecture: amd64
Date: Tue Jul 19 09:35:09 2011
ErrorMessage: trying to overwrite '/usr/share/doc/xorg', which is also in package xserver-xorg 1:7.6+7ubuntu2
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110705.1)
SourcePackage: xorg
Title: package xorg 1:7.6+7ubuntu1 failed to install/upgrade: trying to overwrite '/usr/share/doc/xorg', which is also in package xserver-xorg 1:7.6+7ubuntu2
UpgradeStatus: No upgrade log present (probably fresh install)