diff --git a/content/u/advent-calendar/15/contents.lr b/content/u/advent-calendar/15/contents.lr
index fa41f11..3c22671 100644
--- a/content/u/advent-calendar/15/contents.lr
+++ b/content/u/advent-calendar/15/contents.lr
@@ -6,7 +6,7 @@ _hidden: no
 ---
 title: IPv6-only Archlinux VMs 
 ---
-subtitle: 20% off for 10 limited VMs
+subtitle: 20% off for the 10 limited VMs
 ---
 image: /u/image/cards/advent-15.jpg
 ---