diff --git a/_subsections/sec03/lesson-15.org b/_subsections/sec03/lesson-15.org
index 6ee8944..3e3775e 100644
--- a/_subsections/sec03/lesson-15.org
+++ b/_subsections/sec03/lesson-15.org
@@ -48,7 +48,7 @@ var _score: int
 
 **** in the game scene
 - Scene->Paddle->Node->Signals
-- Area2D -> area_entered
+- Area2D -> ~area_entered~
 
 - set the register to the Game node
 
@@ -74,3 +74,11 @@ var _score: int
     _score +=1
       label.text = str(_score)
   #+END_SRC
+
+** remove the gem from the scene if it hits the padde
+- the area2D node passed into the receiver method is a reference to the gem node
+- so you can use the queue_free method to remove it from the scene queue
+
+  #+BEGIN_SRC gdscript
+  area.queue_free()
+  #+END_SRC