@@ -165,6 +165,8 @@ export default class SelectionObserver extends Observer {
/**
* Checks if selection rendering entered an infinite loop.
*
+ * See https://github.com/ckeditor/ckeditor5-engine/issues/400.
+ *
* @private
* @param {engine.view.Selection} newSelection DOM selection converted to view.
* @returns {Boolean} True is the same selection repeat more then 10 times.