update inline docs

fieldblock.module

@@ -42,9 +42,8 @@ function fieldblock_form_field_ui_display_overview_form_alter(&$form, &$form_sta
 
 /**
  * Form submit handler for field_ui_display_overview_form.
- * Saves a single config file for each entity + bundle combination if a field in
- * a certain view mode has been made available as block. Having separate config
- * files makes the configuration more flexible for exporting and deployment.
+ * Stores which fields are published as blocks as a third_party_settings array
+ * in the EntityViewDisplay object of the entity type / bundle / view mode.
  */
 function fieldblock_field_display_submit($form, FormStateInterface $form_state) {
   $entity_type = $form['#entity_type'];