diff --git a/content/articles/course-html5/intro.md b/content/articles/course-html5/intro.md
index 2a90428..cff2911 100644
--- a/content/articles/course-html5/intro.md
+++ b/content/articles/course-html5/intro.md
@@ -10,7 +10,7 @@ Time: 9:16
 Title: Introducción a HTML5
 
 <figure>
-  <video id="player-ply" playsinline controls poster=''>
+  <video id="player-ply" playsinline controls>
     <source src="https://archive.org/download/coursehtml5/0001-Introduccion.webm" type="video/webm"/>
     <track kind="captions" label="Español" src="{static}/wp-content/uploads/article/subtitles/2019/03/introduccion-es.vtt" srclang="es" default>
   </video>