diff --git a/u06/src/com/mymart/ShoppingCart.java b/u06/src/com/mymart/ShoppingCart.java
index 11c6266..63c2fa9 100644
--- a/u06/src/com/mymart/ShoppingCart.java
+++ b/u06/src/com/mymart/ShoppingCart.java
@@ -44,7 +44,7 @@ public class ShoppingCart {
         for (CartItem item : items) {
             sb.append(item);
         }
-        sb.append("%nSumme:%55.2f%n".formatted(this.getTotalCost()));
+        sb.append(String.format("%nSumme:%55.2f%n", this.getTotalCost()));
         return sb.toString();
     }
 }
diff --git a/u06/src/com/mymart/Test.java b/u06/src/com/mymart/Test.java
index 1946bc8..f514a26 100644
--- a/u06/src/com/mymart/Test.java
+++ b/u06/src/com/mymart/Test.java
@@ -1,5 +1,8 @@
 package com.mymart;
 
+/**
+ * Test Klasse für ShoppingCart und CartItem
+ */
 public class Test {
 
     public static void main(String[] args) {