docs: update incorrect readme

kamilmysliwiec · kamilmysliwiec · commit 5caa0380c576 · 2024-12-10T10:15:01.000+01:00
diff --git a/05-databases/README.md b/05-databases/README.md
@@ -50,7 +50,7 @@ $ mau deploy
 ```bash
 DB_HOST=
 DB_PORT= # 3306 for MySQL, 5432 for PostgreSQL
-DB_USERNAME=
+DB_USER=
 DB_PASSWORD=
 DB_NAME=
 
