diff --git a/birdie.py b/birdie.py
index fc6fb93..b21d276 100644
--- a/birdie.py
+++ b/birdie.py
@@ -5,16 +5,17 @@ WIDTH = 400
 HEIGHT = 708
 
 def on_mouse_down():
-    print('Clic souris !')
-    titi.x -= 50 # équivalent à titi.y = titi.y - 50
+    print('Stop!')
+    titi.speed = 0
 
 def update():
     titi.x += titi.speed
-   
+    
 def draw():
     screen.blit('background', (0, 0))
     titi.draw()
-
+    
 titi = Actor('bird1', (75, 350))
 titi.speed = 1
+
 pgzrun.go()
\ No newline at end of file