diff --git a/html/testBotScripts/tictactoe.html b/html/testBotScripts/tictactoe.html
index 3d6ed9f..93d8664 100644
--- a/html/testBotScripts/tictactoe.html
+++ b/html/testBotScripts/tictactoe.html
@@ -90,7 +90,7 @@ function playingAT(cellKey){
         var symbol="O";
     }
     grid[cellKey]=symbol;
-    document.getElementById[cellkey].innerHTML = symbol;
+    document.getElementById[cellKey].innerHTML = symbol;
     addLog("Player " + currentPlayer + " joue " + cellKey);
     //does he win?
     //tester si trois caracteres allignés