Update Readme.md

Author: kamilmysliwiec

Readme.md

@@ -79,9 +79,9 @@ We want to create scalable, modern and easy to maintain applications. Nest helps
   [MIT](LICENSE)
 
 [npm-image]: https://badge.fury.io/js/%40nestjs%2Fcore.svg
-[npm-url]: https://www.npmjs.com/~nestjs
+[npm-url]: https://www.npmjs.com/~nestjscore
 [downloads-image]: https://img.shields.io/npm/dm/nest.js.svg
-[downloads-url]: https://www.npmjs.com/~nestjs
+[downloads-url]: https://www.npmjs.com/~nestjscore
 [travis-image]: https://api.travis-ci.org/kamilmysliwiec/nest.svg?branch=master
 [travis-url]: https://travis-ci.org/kamilmysliwiec/nest
 [linux-image]: https://img.shields.io/travis/kamilmysliwiec/nest/master.svg?label=linux