diff --git a/.env.example b/.env.example
index 04f24b8..0f61d6d 100644
--- a/.env.example
+++ b/.env.example
@@ -3,7 +3,7 @@ PORT=3333
 NODE_ENV=development
 APP_URL=http://${HOST}:${PORT}
 CACHE_VIEWS=false
-APP_KEY=
+APP_KEY=Please do 'adonis key:generate'
 DB_CONNECTION=mysql
 DB_HOST=127.0.0.1
 DB_PORT=3306