diff --git a/4_graphic_interface.md b/4_graphic_interface.md
index f38e1ee..22298c5 100644
--- a/4_graphic_interface.md
+++ b/4_graphic_interface.md
@@ -26,7 +26,7 @@ Check the Cart graphic corectly install
 # list the output card : (permit to know wich graphic ard we have)
 lspci | grep VGA
 # install all the graphic card drivers:
-pacman -S xorg xorg-drivers
+pacman -S xorg xorg-drivers xorg-xinit
 # restart computer
 # ...
 # install bench tool