diff --git a/index.html b/index.html
index e9d27cb..0fbbf81 100644
--- a/index.html
+++ b/index.html
@@ -72,10 +72,10 @@ <h3>Sesión 03</h3>
                 </section>
                 <section>
                     <h3>Sesión 04</h3>
-                    <ul>                        
-                        <li><a href="https://uvmonline.blackboard.com/webapps/login/">Blackboard Actividad 2 </a></li>
+                    <ul>
+                        <li><a href="https://sketchfab.com/" target="_blank" rel="noopener noreferrer">Sketchfab</a></li>                        
+                        <li><a href="https://uvmonline.blackboard.com/webapps/login/" target="_blank" rel="noopener noreferrer">Blackboard Actividad 2 </a></li>
                     </ul>
-                    <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Aspernatur alias maiores, omnis delectus quisquam beatae sint perferendis eveniet voluptas, suscipit maxime dolorum nisi architecto, optio commodi adipisci minus iure veritatis?</p>
                 </section>
                 <section>
                     <h3>Sesión 05</h3>