Approval.

backend/es/event.json

@@ -91,6 +91,7 @@
         "event_added": "The event has been added",
         "edit_event": "Edit the event",
         "clone_event": "Clone the event",
-        "gnd": "Gemeinsame Normdatei"
+        "gnd": "Gemeinsame Normdatei",
+        "recognized_uncertainty": "Recognized uncertainty"
     }
 }