Fix MDN WebSocket API reference link

Author: Wasin Waeosri

README.md

@@ -67,7 +67,7 @@ For further details, please check out the following resources:
 * [Thomson Reuters Elektron WebSocket API page](https://developers.thomsonreuters.com/websocket-api) on the [Thomson Reuters Developer Community](https://developers.thomsonreuters.com/) web site.
 * [Developer Webinar Recording: Introduction to Electron Websocket API](https://www.youtube.com/watch?v=CDKWMsIQfaw)
 * [TypeScript programming language: Documentation](https://www.typescriptlang.org/docs/home.html).
-* [Mozilla Developer Network: Web Workers API page](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API)
+* [Mozilla Developer Network: WebSocket API page](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API)
 
 For any question related to this article or Elektron WebSocket API page, please use the Developer Community [Q&A Forum](https://community.developers.thomsonreuters.com/).