Update README.md

Author: springframeworkguru

README.md

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 # Spring Framework 5: Beginner to Guru
 
-This repository is for an example application built in my [Spring Framework 5 - Beginner to Guru](https://courses.springframework.guru/p/spring-framework-5-begginer-to-guru) online course
+This repository is for an example application built in my [Spring Framework 5 - Beginner to Guru](https://www.udemy.com/testing-spring-boot-beginner-to-guru/?couponCode=GITHUB_REPO) online course
 
 The application is a simple Spring Boot 2 / Spring Framework 5 web application.
 
 If you would like learn about what's new in Spring Framework 5, click [here](https://springframework.guru/what-is-new-with-spring-framework-5/)
 
-If you'd like to learn more about the cool new reactive types in Spring Framework 5, click [here](https://springframework.guru/spring-web-reactive/)
-
-You can learn about my Spring Framework 5 Online course [here.](https://courses.springframework.guru/p/spring-framework-5-begginer-to-guru)
+You can learn about my Spring Framework 5 Online course [here.](https://www.udemy.com/testing-spring-boot-beginner-to-guru/?couponCode=GITHUB_REPO)