improved debug output

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

backend/src/main/java/de/srsoftware/umbrella/backend/Application.java

@@ -84,6 +84,6 @@ public class Application {
 
 		server.setExecutor(Executors.newFixedThreadPool(threads));
 		server.start();
-		LOG.log(INFO,"Started web server at {0}",port);
+		LOG.log(INFO,"Started web server at port {0}",port);
 	}
 }