diff --git a/README.md b/README.md
index a3f1b92..baa51ae 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ of the package.
 
 Do not forget to fill in your `.env` file with the following variables:
 
-```yaml
+```dotenv
 STRIPE_PUBLIC_KEY=pk_live_...
 STRIPE_SECRET_KEY=sk_live_...
 STRIPE_WEBHOOK_SECRET=whsec_...