diff --git a/README.md b/README.md
index 9442197..bfdefb4 100755
--- a/README.md
+++ b/README.md
@@ -188,7 +188,7 @@ c instanceof A // -> true
 ### Inheritance
 ```javascript
 //
-//	  Base <--- Item
+//	  Base <--- Item <--- SubItem
 //
 var Base = object.Constructor('Base', {
 	proto_attr: 'prototype attr value',