Update index.html

Author: manhtai

index.html

@@ -139,7 +139,7 @@ <h1>PlainLab</h1>
       <p>We build plain apps that simply work</p>
 
       <section class="product-container">
-        <a class="product-item" href="https://memoet.fly.dev">
+        <a class="product-item" href="https://github.com/memoetapp/memoet">
           <h2>Memoet</h2>
           <p>A spaced repetition software</p>
         </a>