diff --git a/README_fr.md b/README_fr.md
index 12e2727..08f13bc 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -39,6 +39,7 @@ Invoice Ninja is the the leading self-hosted invoicing platform to create & emai
 
 * There is no official LDAP support
 * The first user gets created after installing Invoice Ninja. The email-address is the one of your administrator user of the app. The password is the administration password you provided while installing.
+* Le `API_SECRET` peut être trouvé dans le settings.yaml (normalement `/etc/yunohost/apps/invoiceninja5/settings.yml`). Exécutez ce qui suit en tant que root : `grep "api_secret" /etc/yunohost/apps/invoiceninja5/settings.yml | cut -d " :" -f 2`
 * Other users can be created from inside the application
 
 ## Documentations et ressources