Update README.md

README.md

@@ -9,7 +9,9 @@ Do you like this package? Did you find it useful? Donate and support its develop
 
 [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.me/IsraelOrtuno)
 
-Or use my referral code or link to get up to 45 days completely free of charge:
+### Contribute by referral code / link
+
+You could use my referral code or link to get up to 45 days completely free of charge. Just sign up using this link or add the code to the billing section:
 
 [af-devio](https://www.pipedrive.com/register?promocode=af-devio)