Update README.md

Author: swanandapps

README.md

@@ -1,6 +1,6 @@
 <p align="center"><a href="kalaam.io" target="_blank" rel="noopener noreferrer"><img width="300" src="https://i.ibb.co/Dg3jzC5/Logo.png" alt="Kalaam logo"></a></p>
 
-<h2 align="center">Supporting Kalaam</h2>
+<h2 align="center">Contribute to Kalaam</h2>
 
 ## Introduction