Approval.

backend/hu/collection.json

@@ -53,6 +53,8 @@
         "up": "Fel",
         "down": "Le",
         "main_image": "Kezd\u0151k\u00e9p",
-        "add_alternative_language": "Az \u00f6sszes adatbeviteli nyelv ehhez a gy\u0171jtem\u00e9nyhez"
+        "add_alternative_language": "Az \u00f6sszes adatbeviteli nyelv ehhez a gy\u0171jtem\u00e9nyhez",
+        "no_superordinate_collection": "No superordinate collection has been assigned",
+        "no_subordinate_collection": "No subordinate collection has been assigned"
     }
 }