Update README (nextjs#34)

README.md

@@ -40,7 +40,7 @@ Fun fact: the majority of the UI for this application was built with [v0](https:
 - **Database**: [Postgres](https://www.postgresql.org/)
 - **ORM**: [Drizzle](https://orm.drizzle.team/)
 - **Payments**: [Stripe](https://stripe.com/)
-- **UI LIbrary**: [shadcn/ui](https://ui.shadcn.com/)
+- **UI Library**: [shadcn/ui](https://ui.shadcn.com/)
 
 ## Getting Started
 
@@ -102,7 +102,7 @@ In your Vercel project settings (or during deployment), add all the necessary en
 1. `BASE_URL`: Set this to your production domain.
 2. `STRIPE_SECRET_KEY`: Use your Stripe secret key for the production environment.
 3. `STRIPE_WEBHOOK_SECRET`: Use the webhook secret from the production webhook you created in step 1.
-4. `DATABASE_URL`: Set this to your production database URL.
+4. `POSTGRES_URL`: Set this to your production database URL.
 5. `AUTH_SECRET`: Set this to a random string. `openssl rand -base64 32` will generate one.
 
 ## Other Templates