diff --git a/TODO b/TODO
index 18b5abdb4..af6c0038a 100644
--- a/TODO
+++ b/TODO
@@ -29,6 +29,7 @@ Some of the things (in very short form) that need to be done to E17...
   (rhythmbox does this a lot apparently) e doesnt realize and still thinks
   it's iconified.
 * BUG: Hiding the label of e_widget_slider causes the slider line to disappear
+* BUG: Transition config dialog needs preview.
 ]]]
 
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