diff --git a/README.md b/README.md
index ed3d3ae..57f9973 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 mumble_yunohost
 ===============
 A yunohost compatible version of Mumble server (Murmur).
-This download it via the repository of debian and configures it with given settings.
+This downloads it via the repository of debian and configures it with given settings.
 
 SETUP
 ======
diff --git a/manifest.json b/manifest.json
index 71f21c3..bf55b66 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,12 +6,12 @@
         "fr": "Mumble est un logiciel libre de voix sur IP (VoIP), son principal usage étant la communication pendant les parties de jeux en réseau."
     },
     "developer": {
-        "name": "Thorvald Natvig",
-        "email": "BSD",
+        "name": "Matlink",
+        "email": "matlink@matlink.fr",
         "url": "http://www.mumble.info"
     },
     "multi_instance": "false",
-    "license": "Beerware",
+    "license": "BSD",
     "arguments": {
         "install" : [
             {
@@ -25,8 +25,17 @@
             {
                 "name": "password",
                 "ask": {
-                    "en": "Choose a password for your mumble server. Type nothing if you don't want to set a password",
-                    "fr": "Choisissez un mot de passe pour votre serveur Mumble. Ne rien rentrer si vous ne souhaitez pas mettre de mot de passe"
+                    "en": "Choose a password for your mumble server. This password is given to persons who want to join",
+                    "fr": "Choisissez un mot de passe pour votre serveur Mumble. Ce mot de passe sera donné aux personnes qui veulent rejoindre le serveur"
+                },
+                "example": "super_secret_password",
+                "default": ""
+            },
+            {
+                "name": "su_password",
+                "ask": {
+                    "en": "Choose a password for the SuperUser. This is different from the server password and allows you to create the first admin.",
+                    "fr": "Choisissez un mot de passe pour le SuperUser. Il est différent du mot de passe du serveur est permet de créer le premier Administrateur."
                 },
                 "example": "super_secret_password"
             },
diff --git a/scripts/install b/scripts/install
index 8c2739f..d34733e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -6,9 +6,10 @@ app=mumbleserver
 # Retrieve arguments
 admin=$1
 server_password=$2
-welcometext=$3
-port=$4
-registerName=$5
+su_passwd=$3
+welcometext=$4
+port=$5
+registerName=$6
 
 mumble_conf=/etc/mumble-server.ini
 # Check user
@@ -38,11 +39,6 @@ sudo sed -i "s/port=.*/port=$port/g" $mumble_conf
 sudo sed -i "s/serverpassword=.*/serverpassword=$server_password/g" $mumble_conf
 sudo sed -i "s/*serverpassword=.*/registerName=$registerName/g" $mumble_conf
 
-#generating random password for super-user
-su_passwd=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{24\}\).*/\1/p')
-
-#save superuser password
-sudo yunohost app setting $app superuser_password -v "$su_passwd"
 #open port in firewall
 sudo yunohost firewall allow Both $port > /dev/null 2>&1