diff --git a/content/u/advent-calendar/10/contents.lr b/content/u/advent-calendar/10/contents.lr
index b0d858c..17d436e 100644
--- a/content/u/advent-calendar/10/contents.lr
+++ b/content/u/advent-calendar/10/contents.lr
@@ -2,7 +2,7 @@ _model: product
 ---
 _discoverable: no
 ---
-_hidden: yes
+_hidden: no
 ---
 title: IPv6 VPN for a year
 ---