diff --git a/simpleexample/build.gradle b/simpleexample/build.gradle
index 01d55f6e311f372a9e58d5b5211567833c38c745..96a8e54b558e90e4760b56a323141016721d0172 100644
--- a/simpleexample/build.gradle
+++ b/simpleexample/build.gradle
@@ -1,6 +1,11 @@
 plugins {
+	// java application with main method
 	id 'application'
+	// use javafx modules
     id 'org.openjfx.javafxplugin' version '0.0.8'
+    
+	// test coverage
+    id 'jacoco'
 }
 
 repositories {
@@ -18,7 +23,7 @@ javafx {
 	version = '12'
     modules = [ 'javafx.controls', 'javafx.fxml' ]
     // run with --debug-jvm flag and
-    // launch debugger using Remove Java Application debug launch configuration
+    // launch debugger using Remote Java Application debug launch configuration
 }