Approval in backend

backend/fr/eventtype_explica.json

@@ -47,6 +47,8 @@
         "42": "Ici on peut noter chaque possession de l\u2019objet. Les informations sont affich\u00e9es publiquement. Pour une saisie non publique, les champs correspondants dans les onglets \u00ab\u00a0Gestion\u00a0\u00bb et \u00ab\u00a0Provenance\u00a0\u00bb peuvent \u00eatre utilis\u00e9s.",
         "43": "Ici on peut noter chaque vente de l\u2019objet",
         "49": "Here you can note down when the object was given away and who did so.",
-        "50": "Here you can note down when the object was inherited to somebody."
+        "50": "Here you can note down when the object was inherited to somebody.",
+        "51": "Mainly used for written works. Describes the central subject of the object. E.g. the founding document of a city may have that same city as its subject.",
+        "52": "For inorganic objects that were not created by humans but emerged in nature. E.g. stones."
     }
 }