Polish "Update documentation references to /status endpoint"

Closes gh-11213

Author: snicoll

spring-boot-project/spring-boot-actuator/README.adoc

@@ -35,7 +35,7 @@ For Gradle, use the following declaration:
 * **Endpoints** Actuator endpoints allow you to monitor and interact with your
   application. Spring Boot includes a number of built-in endpoints and you can also add
   your own. For example the `health` endpoint provides basic application health
-  information. Run up a basic application and look at `/health`.
+  information. Run up a basic application and look at `/actuator/health`.
 * **Metrics** Spring Boot Actuator provides dimensional metrics by integrating with
   https://micrometer.io[Micrometer].
 * **Audit** Spring Boot Actuator has a flexible audit framework that will publish events