diff --git a/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Warehouse.java b/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Warehouse.java
index 6b6a867..c0fd4fa 100644
--- a/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Warehouse.java
+++ b/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Warehouse.java
@@ -5,10 +5,19 @@ import java.util.HashMap;
 public class Warehouse {
 	protected HashMap<String, Item> pool = new HashMap<String, Item>();
 
+	/**
+	 * 
+	 * @param item Item to insert.
+	 * @return the inserted Item or null.
+	 */
 	public Item insertItem(Item item) {
 		return pool.putIfAbsent(item.getTitel(), item);
 	}
 
+	/**
+	 * 
+	 * @return The total amount of all Items.
+	 */
 	public int getCountOfStock() {
 		int sumItems = 0;
         for (HashMap.Entry<String, Item> set : pool.entrySet()) {