diff --git a/sympa/install.md b/sympa/install.md
index 07014be..4a49968 100644
--- a/sympa/install.md
+++ b/sympa/install.md
@@ -5,27 +5,31 @@ DOC:
 https://www.sympa.community/manual/install/install-sympa-distribution-debian.html
 https://wiki.evolix.org/HowtaptoSympa
 
-USE OF: postfix + postgresql + apache2 + fcgi
-
-Rk: replace <SYMPA_PUBLIC_URL> and <LISTMASTER> according to your needs!
+USE OF: postfix + postgresql + apache2 + fcgi 
+Rk: replace <SYMPA_PUBLIC_URL> according to your needs!
 
+Rk: replace {{SYMPA_PUBLIC_URL}} and {{LISTMASTER}} according to your needs!
+```
+SYMPA_PUBLIC_URL=listes.artcode.re
+LISTMASTER=pvincent@artcode.re
+```
 
 * apt install -y postfix postgresql apache2 libapache2-mod-fcgid spawn-fcgi
-  * domain: <SYMPA_PUBLIC_URL>
+  * domain: {{SYMPA_PUBLIC_URL}}
 * apt install -y sympa
   * db: postgresql
   * pass: sympa
   * web: apache2
   * setuid: no
-* vim /etc/sympa/sympa/sympa.conf
+* vim /etc/sympa/sympa/sympa.conf # 
   * listmaster: <LISTMASTER>
   * lang: fr
-  * wwsympa_url:     http://<SYMPA_PUBLIC_URL>/wws
+  * wwsympa_url:     http://{{SYMPA_PUBLIC_URL}}/wws
 * a2enmod rewrite proxy_fcgi
 * vim /etc/apache2/sites-available/sympa.conf
   ```
   <VirtualHost *:80>
-      ServerName <SYMPA_PUBLIC_URL>
+      ServerName {{SYMPA_PUBLIC_URL}}
       RewriteEngine On
       RewriteRule ^/$ /wws [R]
       <Location /wws>