diff --git a/.env-sample b/.env-sample
index b6935b5..fd582fd 100644
--- a/.env-sample
+++ b/.env-sample
@@ -1,6 +1,9 @@
 # BACKEND
 FLASK_ENV=development
 SECRET_KEY=changeme
+AUTH_MODE=db   # ou "oauth"
+
+
 # # Google OAuth
 # GOOGLE_CLIENT_ID=
 # GOOGLE_CLIENT_SECRET=