diff --git a/src/caosadvancedtools/json_schema_exporter.py b/src/caosadvancedtools/json_schema_exporter.py
index fa26746ef6331af00c54b1302103e3a02b1b4ce9..700c24e890c36a5b4219a1c2cc7d74ce38d6d398 100644
--- a/src/caosadvancedtools/json_schema_exporter.py
+++ b/src/caosadvancedtools/json_schema_exporter.py
@@ -74,7 +74,7 @@ class JsonSchemaExporter:
             additional `unit` key is added to the schema itself which is purely
             annotational and ignored, e.g., in validation. Default is True.
         do_not_create : list[str]
-            A list of RedcordType names, for which there should be no option
+            A list of reference Property names, for which there should be no option
             to create them.  Instead, only the choice of existing elements should
             be given.
         do_not_retrieve : list[str]
@@ -194,9 +194,12 @@ class JsonSchemaExporter:
                 name=prop.name, datatype=get_list_datatype(prop.datatype, strict=True))
             json_prop["items"], inner_ui_schema = self._make_segment_from_prop(list_element_prop)
             if prop.name in self._multiple_choice and prop.name in self._do_not_create:
+                # TODO: if not multiple_choice, but do_not_create:
+                # "ui:widget" = "radio" & "ui:inline" = true
+                # TODO: set threshold for number of items.
                 json_prop["uniqueItems"] = True
                 ui_schema["ui:widget"] = "checkboxes"
-                ui_schema["ui:options"] = {"inline": True}
+                ui_schema["ui:inline"] = True
             if inner_ui_schema:
                 ui_schema["items"] = inner_ui_schema
         elif prop.is_reference():
@@ -512,7 +515,7 @@ def recordtype_to_json_schema(rt: db.RecordType, additional_properties: bool = T
         additional `unit` key is added to the schema itself which is purely
         annotational and ignored, e.g., in validation. Default is True.
     do_not_create : list[str], optional
-        A list of RedcordType names, for which there should be no option
+        A list of reference Property names, for which there should be no option
         to create them.  Instead, only the choice of existing elements should
         be given.
     do_not_retrieve : list[str], optional