Update README.md

Author: risenW

README.md

@@ -76,7 +76,7 @@ See all available versions [here](https://www.jsdelivr.com/package/npm/danfojs)
 
 ### Quick Examples
 * [Danfojs with HTML and vanilla JavaScript on CodePen](https://codepen.io/risingodegua/pen/bGpwyYW)
-* [Danfojs with React](https://codesandbox.io/s/using-danfojs-in-react-dwpv54?file=/src/App.js)
+* [Danfojs with React on Code Sandbox](https://codesandbox.io/s/using-danfojs-in-react-dwpv54?file=/src/App.js)
 * [Danfojs on ObservableHq](https://observablehq.com/@risingodegua/using-danfojs-on-observablehq)
 
 ### Example Usage in the Browser