Update observability.md (#1137)

* Update observability.md

* Update observability.md

* Update observability.md

java/operating-applications/observability.md

@@ -573,7 +573,7 @@ To do so, first add a dependency to Spring Actuators, which forms the basis for
 
 By default, Spring exposes the *aggregated* health status on web endpoint `/actuator/health`, including the result of all registered health indicators. But also the `info` actuator is exposed automatically, which might be not desired for security reasons. It's recommended to **explicitly** control web exposition of actuator components in the application configuration. The following configuration snippet is an example suitable for public visible health check information:
 
-```yaml
+```yaml [srv/src/main/resources/application.yaml]
 management:
   endpoint:
     health: