diff --git a/src/main/java/appeng/util/inv/AdaptorIInventory.java b/src/main/java/appeng/util/inv/AdaptorIInventory.java
index 70ede9a19..c6f82b4e1 100644
--- a/src/main/java/appeng/util/inv/AdaptorIInventory.java
+++ b/src/main/java/appeng/util/inv/AdaptorIInventory.java
@@ -244,7 +244,8 @@ public class AdaptorIInventory extends InventoryAdaptor
 	 * 
 	 * @param itemsToAdd itemStack to add to the inventory
 	 * @param modulate true to modulate, false for simulate
-	 * @return
+	 *
+	 * @return the left itemstack, which could not be added
 	 */
 	private ItemStack addItems( ItemStack itemsToAdd, boolean modulate )
 	{