Improve translations of entry types

backend/en/object_addendum.json

@@ -101,7 +101,7 @@
         "1": "Donation",
         "2": "Purchase",
         "3": "Excavation",
-        "4": "Extrication",
+        "4": "Emergency Rescue",
         "5": "Inheritance",
         "6": "Endowment",
         "7": "Dispossession",
@@ -116,4 +116,4 @@
         "99": "Other legal acquisition",
         "16": "Permanent loan"
     }
-}
+}