diff --git a/README.md b/README.md
index d2431b9..7476bb4 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ classDiagram
         +void Unequip()
     }
     Food ..|> IEquipment
+    Gun ..|> IEquipment
 
     class Person{
         <<abstract>>