diff --git a/sympa/install.md b/sympa/install.md
index 2059461..07014be 100644
--- a/sympa/install.md
+++ b/sympa/install.md
@@ -5,8 +5,9 @@ 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> according to your needs!
+USE OF: postfix + postgresql + apache2 + fcgi
+
+Rk: replace <SYMPA_PUBLIC_URL> and <LISTMASTER> according to your needs!
 
 
 * apt install -y postfix postgresql apache2 libapache2-mod-fcgid spawn-fcgi
@@ -16,7 +17,7 @@ Rk: replace <SYMPA_PUBLIC_URL> according to your needs!
   * 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