diff --git a/README.md b/README.md
index 3ca5826..eaf3b85 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ $ git clone https://github.com/invite-frey/is-woo-payment-fps.git
 * Account Id Type, Account Id and Bank Code identify the Payee Account. The QR Code is generated based on this information.
 * Ask to Pay Enabled: If this feature is enabled, a reference number will be automatically generated and included in the QR Code. You need to contact your bank to use this feature. If this feature is NOT enabled the customer is presented with an automatically generated reference code and asked to enter it when completing the payment using the bank's FPS app. 
 
-### Acknowledgements
+## Acknowledgements
 
 * The QR codes are generated by [PHP QR Code](https://sourceforge.net/projects/phpqrcode/), which is included under the terms of its [license](https://sourceforge.net/p/phpqrcode/git/ci/master/tree/LICENSE).