Issue #3451640: Improve default_field_formatter_settings

Closes #3451640

src/Form/SchemaDotOrgSettingsPropertiesForm.php

@@ -80,6 +80,10 @@ propertyName:
       '#description' => $this->t('Enter default Schema.org property field formatter settings used when adding a Schema.org property to an entity type.'),
       '#description_link' => 'properties',
       '#example' => '
+entity_type_id:
+  label: hidden
+entity_type_id--bundle:
+  label: hidden
 SchemaType--propertyName:
   label: hidden
 propertyName: