diff --git a/src/bin/e_dnd.c b/src/bin/e_dnd.c
index d1baf1673..dd499310c 100644
--- a/src/bin/e_dnd.c
+++ b/src/bin/e_dnd.c
@@ -5,6 +5,8 @@
 
 /* FIXME: broken when drop areas intersect 
  * (sub window has drop area on top of lower window or desktop)
+ * 
+ * When moving from one zone to another, the flip timer in the previous zone must be reset.
  */
 /*
  * TODO: