Approval.

frontend/ar/listen.json

@@ -91,6 +91,7 @@
         "open_entity_page": "\u0641\u062a\u062d \u0635\u0641\u062d\u0629 \u0627\u0644\u0641\u0626\u0629",
         "searched_place": "Searched place",
         "formulate_stmt_search": "Formulate Statement-Based Search",
-        "search_entities": "Search entities"
+        "search_entities": "Search entities",
+        "map_source": "Map source"
     }
 }