diff --git a/metadata/com.gpl.rpg.AndorsTrail.yml b/metadata/com.gpl.rpg.AndorsTrail.yml
index c06288ee27..d6983015da 100644
--- a/metadata/com.gpl.rpg.AndorsTrail.yml
+++ b/metadata/com.gpl.rpg.AndorsTrail.yml
@@ -1,3 +1,5 @@
+AntiFeatures:
+  - NonFreeAssets
 Categories:
   - Games
 License: GPL-2.0-or-later
@@ -17,9 +19,10 @@ Description: |-
 
     Please note that this is a work in progress, which means that all maps are not
     yet done. This is mainly a version for bug-hunting and compatibility testing.
-    Please give feedback on the project page. Many, but not all, of the graphical
-    resources are CC-licensed; see the
-    [http://www.andorstrail.com/wiki/doku.php?id=license wiki] for details.
+    Please give feedback on the project page.
+
+    Some of the content and graphics are released under non-free licenses: see
+    [https://github.com/Zukero/andors-trail#content GitHub page].
 
 RepoType: git
 Repo: https://github.com/Zukero/andors-trail