diff --git a/content/articles/citizenfour.md b/content/articles/citizenfour.md
index bb955d7..da8f9f3 100644
--- a/content/articles/citizenfour.md
+++ b/content/articles/citizenfour.md
@@ -2,6 +2,7 @@ Author: Jesús E.
 Category: Cine
 Date: 2018-09-25 11:05
 Image: 2018/09/documental-snowden.jpg
+License: CC BY-NC 3.0
 Lang: es
 Og_video: https://archive.org/download/libreweb/citizenfour-spanish.webm
 Slug: citizenfour