diff --git a/demo/app/src/main/java/org/pf4j/demo/Boot.java b/demo/app/src/main/java/org/pf4j/demo/Boot.java
index 95d8898..562f8f8 100644
--- a/demo/app/src/main/java/org/pf4j/demo/Boot.java
+++ b/demo/app/src/main/java/org/pf4j/demo/Boot.java
@@ -42,14 +42,13 @@ public class Boot {
 
             protected ExtensionFinder createExtensionFinder() {
                 DefaultExtensionFinder extensionFinder = (DefaultExtensionFinder) super.createExtensionFinder();
-                extensionFinder.addServiceProviderExtensionFinder();
+                extensionFinder.addServiceProviderExtensionFinder(); // to activate "HowdyGreeting" extension
 
                 return extensionFinder;
             }
 
         };
 
-
         // load the plugins
         pluginManager.loadPlugins();