diff --git a/COMPOSITE_TODO b/COMPOSITE_TODO
index 9d7a26b0d0..391524b869 100644
--- a/COMPOSITE_TODO
+++ b/COMPOSITE_TODO
@@ -202,4 +202,7 @@ Effects TODO
 !   - would require adding xScale/yScale to ScreenPaintData
         - should be doable even for XRender
 
++ logout effect
+    - should be triggered by ksmserver somehow
+
 ? other effects