Update README.md

Author: thomaswoehlke

README.md

@@ -2,7 +2,7 @@
 learn-springboot-reactive-stack
 
 # First Infos:
-* [Reactive Microservices With Spring Boot(]https://spring.io/reactive)
+* [Reactive Microservices With Spring Boot](https://spring.io/reactive)
 * [Spring WebFlux](https://docs.spring.io/spring/docs/current/spring-framework-reference/web-reactive.html)
 * [Guide to Spring 5 WebFlux](https://www.baeldung.com/spring-webflux)
 * [Leitfaden Spring WebFlux](https://www.codeflow.site/de/article/spring-webflux)