Fix zipkin URL

README.md

@@ -12,7 +12,7 @@ If everything goes well, you can access the following services at given location
 * Config Server - http://localhost:8888
 * AngularJS frontend (API Gateway) - http://localhost:8080
 * Customers, Vets and Visits Services - random port, check Eureka Dashboard 
-* Tracing Server (Zipkin) - http://localhost:9411/zipkin (we use [openzipkin](https://github.com/openzipkin/zipkin/tree/master/zipkin-server))
+* Tracing Server (Zipkin) - http://localhost:9411/zipkin/ (we use [openzipkin](https://github.com/openzipkin/zipkin/tree/master/zipkin-server))
 * Admin Server (Spring Boot Admin) - http://localhost:9090
 
 You can tell Config Server to use your local Git repository by using `local` Spring profile and setting