diff --git a/nflow-tests/src/main/java/com/nitorcreations/nflow/tests/demo/DemoServer.java b/nflow-tests/src/main/java/com/nitorcreations/nflow/tests/demo/DemoServer.java
index cfb56c120..15b3b0d71 100644
--- a/nflow-tests/src/main/java/com/nitorcreations/nflow/tests/demo/DemoServer.java
+++ b/nflow-tests/src/main/java/com/nitorcreations/nflow/tests/demo/DemoServer.java
@@ -3,6 +3,10 @@
 import com.nitorcreations.nflow.jetty.StartNflow;
 import com.nitorcreations.nflow.metrics.NflowMetricsContext;
 
+/**
+ * To enable swagger ui (http://localhost:7500/docs) Execute "mvn compile"
+ * before starting.
+ */
 public class DemoServer {
   public static void main(String[] args) throws Exception {
     new StartNflow().registerSpringContext(NflowMetricsContext.class).startJetty(7500, "local", "jmx");