Update 28-E-commerce-Website/single-product.html

Co-authored-by: Copilot <[email protected]>

Author: ashishgit10

28-E-commerce-Website/single-product.html

@@ -476,7 +476,7 @@ <h3>
         </h3>
       </div>
       <div class="email">
-        <input type="mail" placeholder="Your email address" />
+        <input type="email" placeholder="Your email address" />
         <button>Sign Up</button>
       </div>
     </section>