diff --git a/.env.example b/.env.example
index df8879c..908d01f 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,5 @@
 # FLASK_CONFIG=production  # enable for production
+# SECRET_KEY=your-secret-key
 # DATABASE_URL=sqlite:////home/moments/database/data.db
 # MAIL_SERVER=smtp.example.com
 # MAIL_USERNAME=example