diff --git a/headfirst/factory/pizzas/PepperoniPizza.java b/headfirst/factory/pizzas/PepperoniPizza.java
index 9180954..dbbf67e 100644
--- a/headfirst/factory/pizzas/PepperoniPizza.java
+++ b/headfirst/factory/pizzas/PepperoniPizza.java
@@ -9,4 +9,8 @@ public PepperoniPizza() {
 		toppings.add("Sliced Onion");
 		toppings.add("Grated parmesan cheese");
 	}
+	
+	public static void main(String[] args) {
+		System.out.println("test");
+	}
 }
diff --git a/headfirst/singleton/threadsafe/Singleton.java b/headfirst/singleton/threadsafe/Singleton.java
index 687b65b..6600a19 100644
--- a/headfirst/singleton/threadsafe/Singleton.java
+++ b/headfirst/singleton/threadsafe/Singleton.java
@@ -15,4 +15,6 @@ public static synchronized Singleton getInstance() {
 	}
  
 	// other useful methods here
+	
+//	rename package
 }