diff --git a/es.html b/es.html
index ba114d1..cf2a64d 100644
--- a/es.html
+++ b/es.html
@@ -45,6 +45,7 @@ Good luck, and thanks again!
 	<meta content="utf-8" http-equiv="encoding">
 	<meta charset="utf-8">
 	<link rel="icon" type="image/png" href="favicon.png">
+	<link rel="alternate" href="http://ncase.me/crowds/" hreflang="en">
 
 	<!-- Sharing -->
 	<meta itemprop="name" content="La sabiduría y/o locura de las masas"> <!-- content="(TRANSLATE this part only)" -->
@@ -61,7 +62,7 @@ Good luck, and thanks again!
 	<meta property="og:title" content="La sabiduría y/o locura de las masas"> <!-- content="(TRANSLATE this part only)" -->
 	<meta property="og:description" content="una guía interactiva sobre las redes sociales humanas"> <!-- content="(TRANSLATE this part only)" -->
 	<meta property="og:type" content="website">
-	<meta property="og:url" content="http://ncase.me/crowds/">
+	<meta property="og:url" content="http://ncase.me/crowds/es.html">
 	<meta property="og:image" content="http://ncase.me/crowds/social/thumb.png">
 
 	<!-- Styles -->