diff --git a/README-ES.md b/README-ES.md
index 1c25f3b..8da232b 100644
--- a/README-ES.md
+++ b/README-ES.md
@@ -23,7 +23,7 @@ Registro de recursos CSS y JavaScript en WordPress.
 <p align="center"><strong>Echa un vistazo al código</strong></p>
 
 <p align="center">
-  <a href="" title="Echa un vistazo al código">
+  <a href="https://youtu.be/DOtoQgS4Ilg" title="Echa un vistazo al código">
     <img src="https://raw.githubusercontent.com/Josantonius/PHP-Algorithm/master/resources/youtube-thumbnail.jpg">
   </a>
 </p>
diff --git a/README.md b/README.md
index f275dfc..0e46281 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Registration of CSS and JavaScript resources in WordPress.
 <p align="center"><strong>Take a look at the code</strong></p>
 
 <p align="center">
-  <a href="" title="Take a look at the code">
+  <a href="https://youtu.be/DOtoQgS4Ilg" title="Take a look at the code">
     <img src="https://raw.githubusercontent.com/Josantonius/PHP-Algorithm/master/resources/youtube-thumbnail.jpg">
   </a>
 </p>