diff --git a/templates/pages/home.html.twig b/templates/pages/home.html.twig
index 0ddeda9..10176f3 100644
--- a/templates/pages/home.html.twig
+++ b/templates/pages/home.html.twig
@@ -1,5 +1,5 @@
 {% extends 'base.html.twig' %}
-{% block body %}
+{% block outerBody %}
 
     <section class="home">
         <app-root></app-root>
diff --git a/templates/poll/index.html.twig b/templates/poll/index.html.twig
index 90507fd..88c2d29 100644
--- a/templates/poll/index.html.twig
+++ b/templates/poll/index.html.twig
@@ -42,7 +42,11 @@
                 <td>{{ poll.mailOnVote ? 'Yes' : 'No' }}</td>
                 <td>{{ poll.hideResults ? 'Yes' : 'No' }}</td>
                 <td>{{ poll.showResultEvenIfPasswords ? 'Yes' : 'No' }}</td>
-                <td>{{ poll.password }}</td>
+                <td>
+                    {% if  poll.password %}
+                        (***) oui, caché
+                    {% endif %}
+                </td>
                 <td>{{ poll.adminKey }}</td>
                 <td>
                     <a href="{{ path('poll_show', {'id': poll.id}) }}">show</a>
diff --git a/update.sh b/update.sh
index aeb7079..794b51f 100755
--- a/update.sh
+++ b/update.sh
@@ -11,7 +11,33 @@ composer install
 php bin/console doctrine:schema:update --force
 echo "######################"
 echo " update the funky frontend submodule "
-echo "######################"
+echo "############################################"
+echo " verification des besoins de l'application "
+echo "############################################"
+if [ ! hash yarn ]; then
+  echo "la commande yarn est introuvable"
+  exit 1
+fi
+echo " ✅ yarn"
+if [ ! hash git ]; then
+  echo "la commande git est introuvable"
+  exit 1
+fi
+echo " ✅ git"
+
+if [ ! -f .env || ! -f .env.local ]; then
+  echo "fichier d'environnement de symfony"
+  exit 1
+fi
+echo " ✅ fichier d'environnement de symfony /.env ou /.env.local"
+
+if [ ! -f bin/console ]; then
+  echo "fichier console de symfony"
+  exit 1
+fi
+echo " ✅ fichier console de symfony /bin/console "
+
+
 if [ ! -d "funky-framadate-front" ]; then
   # initiate sub directory for funky front
   git submodule init