diff --git a/README.md b/README.md
index a5c5a03..d9eaaf6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 ```sh
+# create .env file
+DATABASE_URL=file:your-sqlite.db
+
 npm i
 npx prisma migrate dev
 npm run dev