Update README.md

README.md

 Then run ``python3.4 run.py exploration`` or ``python3.4 run.py all``. Keep in mind it's in developpment mode !
 
 ## Quick test with Docker
-
-Simply run (assuming docker installed) ``docker run -w /intelligine -v /tmp/.X11-unix:/tmp/.X11-unix -v /dev/snd:/dev/snd --privileged -e DISPLAY buxx/intelligine python3.4 run.py exploration``
+Allow the docker user to communicate with your X session with ``xhost +local:docker`` then run (assuming docker installed) ``docker run -w /intelligine -v /tmp/.X11-unix:/tmp/.X11-unix -v /dev/snd:/dev/snd --privileged -e DISPLAY buxx/intelligine python3.4 run.py exploration``
 
 ## Screens