diff --git a/conf/ethercalc b/conf/ethercalc
index 5240b21..7c176ff 100644
--- a/conf/ethercalc
+++ b/conf/ethercalc
@@ -25,7 +25,7 @@ set -e
 
 start() {
   echo "Starting $DESC... "
-	start-stop-daemon --start --chuid "$USER:$GROUP" --chdir $EPLITE_DIR --background --make-pidfile --pidfile /var/run/$NAME.pid --startas /bin/bash -- -c "exec $EPLITE_DIR/$EPLITE_BIN --port YUNOPORT --basepath YUNOPATH > $LOGFILE 2>&1"
+	start-stop-daemon --start --chuid "$USER:$GROUP" --chdir $EPLITE_DIR --background --make-pidfile --pidfile /var/run/$NAME.pid --startas /bin/bash -- -c "exec $EPLITE_DIR/$EPLITE_BIN --port YUNOPORT --basepath YUNOPATH YUNOEXPIRE > $LOGFILE 2>&1"
   echo "done"
 }
 
diff --git a/manifest.json b/manifest.json
index c985155..0ac3899 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,8 @@
     "name": "EtherCalc",
     "id": "ethercalc",
     "description": {
-        "en": "online web spreadsheet editor providing collaborative editing in really real-time"
+        "en": "Online web spreadsheet editor providing collaborative editing in really real-time",
+        "fr": "Feuille de calcul collaborative en ligne"
     },
     "developer": {
         "name": "zamentur",
@@ -14,15 +15,19 @@
         "install" : [
             {
                 "name": "domain",
+                "type": "domain",
                 "ask": {
-                    "en": "Choose a domain for EtherCalc"
+                    "en": "Choose a domain for EtherCalc",
+                    "fr": "Choisissez un domaine pour EterCalc"
                 },
                 "example": "domain.org"
             },
             {
                 "name": "path",
+                "type": "path",
                 "ask": {
-                    "en": "Choose a path for EtherCalc"
+                    "en": "Choose a path for EtherCalc",
+                    "fr": "Choisissez un chemin pour EterCalc"
                 },
                 "example": "/calc",
                 "default": "/calc"
@@ -30,10 +35,19 @@
             {
                 "name": "public_site",
                 "ask": {
-                    "en": "Is it a public EtherCalc ?"
+                    "en": "Is it a public EtherCalc ?",
+                    "fr": "Des personnes n'ayant pas de compte Yunohost peuvent elles utiliser ce EtherCalc ?"
                 },
                 "choices": ["Yes", "No"],
                 "default": "Yes"
+            },
+            {
+                "name": "expire",
+                "ask": {
+                    "en": "Deletes a spreadsheet's content after N days of inactivity. (0 to diasable this feature)",
+                    "fr": "Suppression après N jours d'inactivités. (0 pour désactiver cette fonctionnalité)"
+                },
+                "default": "0"
             }
 
 
diff --git a/scripts/install b/scripts/install
index bcc4d8e..694a7e5 100644
--- a/scripts/install
+++ b/scripts/install
@@ -8,6 +8,7 @@ instance_number=$(echo $app | sed 's/[^0-9]//g')
 domain=$1
 path=$2
 is_public=$3
+expire=$4
 port=$((instance_number+8000))
 
 # Check domain/path availability
@@ -19,6 +20,7 @@ fi
 echo "Register configuration..."
 sudo yunohost app setting $app is_public -v $is_public
 sudo yunohost app setting $app port -v $port
+sudo yunohost app setting $app expire -v $expire
 
 # Remove trailing "/" for next commands
 path=${path%/}
@@ -48,6 +50,12 @@ sed -i "s@YUNOPORT@$port@g" ../conf/$name
 sed -i "s@YUNOLOG@$app@g" ../conf/$name
 sed -i "s@YUNOPATH@$path@g" ../conf/$name
 sed -i "s@YUNOAPP@$app@g" ../conf/$name
+if [ "$expire" -eq 0 ]; then
+	expire=""
+else
+	expire="--expire $(($expire * 86400))"
+fi
+sed -i "s@YUNOEXPIRE@$expire@g" ../conf/$name
 sudo cp ../conf/$name /etc/init.d/$app
 sudo chmod +x /etc/init.d/$app
 sudo update-rc.d $app defaults