diff --git a/src/main/java/net/bootsfaces/component/fullCalendar/FullCalendarRenderer.java b/src/main/java/net/bootsfaces/component/fullCalendar/FullCalendarRenderer.java
index <HASH>..<HASH> 100644
--- a/src/main/java/net/bootsfaces/component/fullCalendar/FullCalendarRenderer.java
+++ b/src/main/java/net/bootsfaces/component/fullCalendar/FullCalendarRenderer.java
@@ -73,6 +73,7 @@ public class FullCalendarRenderer extends Renderer {
 		}
 		rw.writeText("    weekMode: '" + fullCalendar.getWeekMode() + "',", null);
 		rw.writeText("    events: " + fullCalendar.getEvents(), null);
+		// TODO: add onchange listener that updates a hidden input field with $([\"id='" + clientId + "'\"]).fullCalendar('getEventSources') that contains the events
 		rw.writeText("  });", null);
 		rw.writeText("});", null);
DEV: added comment how to transfer changes to backing bean