Fix eureka instance metadata in Cloud Foundry example

docs/src/main/asciidoc/spring-cloud-netflix.adoc

@@ -107,9 +107,9 @@ Cloudfoundry has a global router so that all instances of the same app have the
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 eureka:
   instance:
+    hostname: ${vcap.application.uris[0]}
+    nonSecurePort: 80
     metadataMap:
-      hostname: ${vcap.application.uris[0]}
-      nonSecurePort: 80
       instanceId: ${vcap.application.instance_id:${spring.application.name}:${spring.application.instance_id:${server.port}}}
 ----