Improvements and new version: ar.

backend/en/data_history.json

@@ -9,7 +9,7 @@
         "event": "Event",
         "link": "Link with hyperlink",
         "literature": "Link with literature",
-        "location": "Information about whereabout",
+        "location": "Information about whereabouts",
         "notes": "Remarks",
         "record": "Alternative language record",
         "resource": "Link with image or resource",