diff --git a/index.html b/index.html
index fe6b65e..ff32649 100644
--- a/index.html
+++ b/index.html
@@ -13,7 +13,7 @@ <h1 style="text-align: center;">Exercise</h1>
     <div class="main">
         <div class="sub1">
             <a href="./Exercise 1/ex1.html">Exercise 1</a>
-            <!-- <a href="./Exercise 2/ex2.html">Exercise 2</a> -->
+            <a href="./Exercise 2/ex2.html">Exercise 2</a>
         </div>
         <div class="sub2"></div>
     </div>