diff --git a/README.md b/README.md
index f4d46bb..d80b6cb 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ A starter template for Flask web applications with Docker support, user authenti
 
 - User registration, login, and dashboard functionality
 - Docker and Docker Compose for containerized environments
-- SQLite database (with optional PostgreSQL support)
+- PostgreSQL database
 - Environment configuration via .env file
 - Jinja2 templating with base HTML structure
 - Git version control integration
@@ -54,7 +54,7 @@ Essential environment variables in `.env`:
 ```ini
 FLASK_APP=app.py
 FLASK_ENV=production
-DATABASE_URL=sqlite:///instance/app.db
+DATABASE_URL=postgresql://user:password@db:5432/appdb
 SECRET_KEY=your-secret-key-here
 ```