diff --git a/XPS-13-7390-2-in-1--.md b/XPS-13-7390-2-in-1--.md
index 3d7c6c9..a46d4db 100644
--- a/XPS-13-7390-2-in-1--.md
+++ b/XPS-13-7390-2-in-1--.md
@@ -24,7 +24,7 @@ passwd: password updated successfully
 
 edit */etc/ssh/sshd_config* to Enable PermitRootLogin 
 
-~~~
+~~~{.shell}
 #PermitRootLogin prohibit-password
 PermitRootLogin yes
 ~~~
@@ -47,7 +47,7 @@ Search for “zpool create”, and make sure you have found the create command t
 Before the “zpool create” insert: echo MYPASSWORD |
 Before the last line of the command insert these lines:
 
-~~~
+~~~{.cpp}
         -O recordsize=1M \
         -O encryption=aes-256-gcm \
         -O keylocation=prompt \
@@ -56,22 +56,22 @@ Before the last line of the command insert these lines:
 
 ## in case you wanted to change zpool passwd
 
-~~~
-zfs change-key rpool
+~~~{.shell}
+$ zfs change-key rpool
 ~~~
 
 ## create swap partition to permit Hibernate
 
 add theses 2 lines in : */usr/share/ubiquity/zsys-setup*
 
-~~~
+~~~{.shell}
 MEMSIZE=$(cat /proc/meminfo | grep MemTotal | awk -F' ' '{print $2}')
 SWAPVOLSIZE=$(( MEMSIZE / 1024 ))
 ~~~
 
 like bellow : 
 
-~~~
+~~~{.shell}
 	# Convert to MiB to align the size on the size of a block
 	SWAPVOLSIZE=$(( SWAPSIZE / 1024 / 1024 ))
     
@@ -95,42 +95,38 @@ have to disable Raid ... Enable AHCI
 
 # UHD screen
 
-    ~~~
-    !!!
-
-    https://forum.xfce.org/viewtopic.php?id=13617
-
-    a essayer : xfconf-query -c xsettings -p /Gdk/WindowScalingFactor -s 2
-
-     xfconf-query -c xsettings -p /Gdk/WindowScalingFactor -s 2
-
-    ~~~
+~~~
+!!!
+https://forum.xfce.org/viewtopic.php?id=13617
+a essayer : xfconf-query -c xsettings -p /Gdk/WindowScalingFactor -s 2
+xfconf-query -c xsettings -p /Gdk/WindowScalingFactor -s 2
+~~~
 
 ## Changer la taille de police dans les applications Qt sous Xfce
 
-    voir source : [https://www.ezvan.fr/taille-police-qt.html]()  
+voir source : [https://www.ezvan.fr/taille-police-qt.html]()  
 
-    editer : ~/.Xresources : Ce fichier est utilisé par le serveur X pour configurer ses applications clientes.  
+editer : ~/.Xresources : Ce fichier est utilisé par le serveur X pour configurer ses applications clientes.  
 
-    ~~~
-    !-------------------------------------------------------------------------------
-    ! Xft settings
-    !-------------------------------------------------------------------------------
+~~~{.shell}
+!-------------------------------------------------------------------------------
+! Xft settings
+!-------------------------------------------------------------------------------
 
-    Xft.dpi:        240
-    Xft.antialias:  true
-    Xft.rgba:       rgb
-    Xft.hinting:    true
-    Xft.hintstyle:  hintslight
-    Xft.autohint:   false
-    Xft.lcdfilter:  lcddefault
-    ~~~
+Xft.dpi:        240
+Xft.antialias:  true
+Xft.rgba:       rgb
+Xft.hinting:    true
+Xft.hintstyle:  hintslight
+Xft.autohint:   false
+Xft.lcdfilter:  lcddefault
+~~~
 
-    Il faut ensuite utiliser la commande xrdb pour appliquer ces paramètres :
+Il faut ensuite utiliser la commande xrdb pour appliquer ces paramètres :
 
-    ~~~
-    xrdb -merge ~/.Xresources
-    ~~~
+~~~{.shell}
+$ xrdb -merge ~/.Xresources
+~~~
 
  ## console grub ...