Approval.

backend/ar/object_addendum.json

@@ -117,7 +117,8 @@
         "marking_transcription_explica": "The transcribed content of the marking.",
         "marking_annotations_explica": "Notes, interpretations, ... referring to the marking.",
         "current_location": "Current location",
-        "home_location": "Home location"
+        "home_location": "Home location",
+        "content_language_explica": "Primary language of the object's content. Best used for, e.g., text materials."
     },
     "ortart": [
         "",