diff --git a/index.html b/index.html
index 50edf56..850e3dc 100644
--- a/index.html
+++ b/index.html
@@ -91,6 +91,8 @@ <h1>HOW CAN I WIN AT TIC-TAC-TOE?</h1>
             
             If you always pay attention and look ahead, you'll never lose a game of Tic-Tac-Toe. You may not win, but at least you'll tie.</p>
           <button id="start-btn">Start Game</button>
+          
+          
       </div>
     </div>
     <!-- instruction phase ends here -->
@@ -169,6 +171,7 @@ <h4>Scoreboard</h4>
       </select>
       <div class="div-end-of-game">
         <button onclick="reset_board()">RESET BOARD</button>
+        <button onclick="undoMove()">UNDO MOVE</button> <!-- Add this line -->
       </div>
       <h2 id="winner"></h2>
     </div>