diff --git a/patterns/visualobserver/BoxObserver.java b/patterns/visualobserver/BoxObserver.java
index 51f02848..a7037053 100644
--- a/patterns/visualobserver/BoxObserver.java
+++ b/patterns/visualobserver/BoxObserver.java
@@ -4,7 +4,7 @@
 // Visit http://OnJava8.com for more book information.
 // Demonstration of Observer pattern using
 // Java's built-in observer classes
-// {java patterns.visualobserver.BoxObserver}
+// {ValidateByHand}
 package patterns.visualobserver;
 import javax.swing.*;
 import java.awt.*;