**Describe the bug** The "Service Registry Actuator Endpoint URL" described in [doc](https://docs.spring.io/spring-cloud-commons/docs/current/reference/html/#service-registry-actuator-endpoint) is out-of-dated. After the [PR](https://github.com/spring-cloud/spring-cloud-commons/pull/701) has been merged, the The "Service Registry Actuator Endpoint URL" should be `serviceregistry` instead of `service-registry`. **Sample**  
