diff --git a/src/js/handler/daygrid/move.js b/src/js/handler/daygrid/move.js
index e160e5a2c..4bf02f23c 100644
--- a/src/js/handler/daygrid/move.js
+++ b/src/js/handler/daygrid/move.js
@@ -198,6 +198,8 @@ DayGridMove.prototype._updateSchedule = function(scheduleData) {
      * @event DayGridMove#beforeUpdateSchedule
      * @type {object}
      * @property {Schedule} schedule - The original schedule instance
+     * @property {Date} start - Deprecated: start time to update
+     * @property {Date} end - Deprecated: end time to update
      * @property {object} changes - start and end time to update
      *  @property {Date} start - start time to update
      *  @property {Date} end - end time to update