diff --git a/rock_paper_scissor_game.py b/rock_paper_scissor_game.py
index 3666026..884ea49 100644
--- a/rock_paper_scissor_game.py
+++ b/rock_paper_scissor_game.py
@@ -4,7 +4,7 @@ def user_move() -> int:
     return input("Enter your move (rock, paper, scissors): ")
 
 def random_move() -> str:
-    return random.choice(['rock', 'paper', 'scissors',''])
+    return random.choice(['rock', 'paper', 'scissors']) #erreur de règle : le robot ne peux pas ne rien choisir
 
 def check_choice_validity(move: str) -> str:
     valid_moves = ['rock', 'paper', 'scissor']