Update README.adoc (#243)

Author: gkwan-ibm

README.adoc

@@ -208,7 +208,7 @@ You can see the server being updated in the server log displayed in your command
 [INFO] [AUDIT] CWWKZ0009I: The application io.openliberty.guides.getting-started has stopped successfully.
 [INFO] [AUDIT] CWWKG0017I: The server configuration was successfully updated in 0.284 seconds.
 [INFO] [AUDIT] CWWKT0016I: Web application available (default_host): http://foo:9080/health/
-[INFO] [AUDIT] CWWKF0012I: The server installed the following features: [mpHealth-2.2].
+[INFO] [AUDIT] CWWKF0012I: The server installed the following features: [mpHealth-3.0].
 [INFO] [AUDIT] CWWKF0008I: Feature update completed in 0.285 seconds.
 [INFO] [AUDIT] CWWKT0016I: Web application available (default_host): http://foo:9080/
 [INFO] [AUDIT] CWWKZ0003I: The application io.openliberty.guides.getting-started updated in 0.173 seconds.