diff --git a/4_graphic_interface.md b/4_graphic_interface.md
index 4446cd1..ae45c04 100644
--- a/4_graphic_interface.md
+++ b/4_graphic_interface.md
@@ -4,7 +4,20 @@ Set first the Xautority:
 touch ~/.Xauthority
 ```
 
+Configure Xlayout in french:
 
+'''
+vim "/etc/X11/xorg.conf.d/00-keyboard.conf"
+'''
+
+'''
+Section "InputClass"
+    Identifier         "Keyboard Layout"
+    #MatchIsKeyboard    "yes"
+    Option             "XkbLayout"  "fr"
+    Option             "XkbVariant" "latin9"
+EndSection
+'''
 gui
 ---
 ```