diff --git a/beta/src/content/learn/tutorial-tic-tac-toe.md b/beta/src/content/learn/tutorial-tic-tac-toe.md
index 00de1f66e..3756eec40 100644
--- a/beta/src/content/learn/tutorial-tic-tac-toe.md
+++ b/beta/src/content/learn/tutorial-tic-tac-toe.md
@@ -1417,7 +1417,7 @@ function handleClick(i) {
   if (squares[i]) {
     return;
   }
-  let nextSquares = squares.slice();
+  const nextSquares = squares.slice();
   //...
 }
 ```