diff --git a/INSTALL.md b/INSTALL.md
index 022b867..e80647c 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,60 +1,72 @@
 Initial requirements
 ====================
 
+```
 # apt install screen
 # adduser etherpad
+```
+
 
 
 Install Etherpad-lite
 =====================
 
 Log as etherpad user
-# su etherpad && cd
+`# su etherpad && cd`
 
 Install and run etherpad 
+```
 $ curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
 # apt install -y nodejs
 $ git clone --branch master https://github.com/ether/etherpad-lite.git &&
 $ cd etherpad-lite &&
+```
+
 
 Restore "etherpad/settings.json" in etherpad-lite
 
 Then try to start etherpad
-$ src/bin/run.sh
+`$ src/bin/run.sh`
 Then CTRL-C
 
 Restore the run.sh script in home folder
 
 Setup the cron
-$ crontab -e
+`$ crontab -e`
 and insert at the end of the file
 @reboot /home/etherpad/run.sh
 
 Start etherpad in a screen "pad" session
-$ screen -dmS pad ./run.sh
+`$ screen -dmS pad ./run.sh`
 
 Install the proxy
 ==================
 Restore html content into /var/www
 
 Install nginx
+```
 # apt install nginx
 # mkdir /var/log/nginx/pad.chalec.org
 # chown www-data:www-data /var/log/nginx/pad.chalec.org
+```
+
 
 Setup the config file from nginx/sites-available/etherpad in /etc/nginx/sites-available/etherpad
 
 Link available to enable
+```
 # cd /etc/nginx/sites-enabled
 # ln -s ../sites-available .
+```
+
 
 Start nginx
-# systemctl enable --now nginx
+`# systemctl enable --now nginx`
 
 Open firewall
-# ufw allow proto tcp port 80,443
+`# ufw allow proto tcp port 80,443`
 
-# Check the service is reachable at
+Check the service is reachable at
 http://pad.chalec.org
 https://pad.chalec.org
 
@@ -74,25 +86,28 @@ table_of_contents
 Chalec infos
 ============
 Intall Java
-# apt install openjdk-jre-headless
+`# apt install openjdk-jre-headless`
 
-# adduser statoolinfos
+`# adduser statoolinfos`
 Add to admin group to read logs
+```
 # adduser statoolinfos admin
 # su statoolinfos
 # cd
+```
+
 
 Download Statoolinfos jar at
 https://forge.devinsy.fr/devinsy/statoolinfos/releases
 
 Uncompress in /home/statool-<version>
 link versioned folder to generic one
-$ ln -s statoolinfos-<verion> statoolinfos
+`$ ln -s statoolinfos-<verion> statoolinfos`
 
 Restore statool config
 (/var/www/html/.well-known/statoolinfos already restored in etherpad install)
 
 /home/statoolinfos/statoolinfos/statoolinfos.sh probe -full /hhome/statoolinfos/statoolinfos/conf/pad.chalec.org.conf
 
-$ crontab -e
-45 * * * * /home/statoolinfos/statoolinfos/statoolinfos.sh probe -previousday /home/statoolinfos/statoolinfos/conf/pad.chalec.org.conf >> /home/statoolinfos/statoolinfos.log
\ No newline at end of file
+`$ crontab -e`
+45 * * * * /home/statoolinfos/statoolinfos/statoolinfos.sh probe -previousday /home/statoolinfos/statoolinfos/conf/pad.chalec.org.conf >> /home/statoolinfos/statoolinfos.log