diff --git a/Polyhedron/demo/Polyhedron/TODO b/Polyhedron/demo/Polyhedron/TODO
index 0449b7dc785..2d7798c396f 100644
--- a/Polyhedron/demo/Polyhedron/TODO
+++ b/Polyhedron/demo/Polyhedron/TODO
@@ -1,4 +1,4 @@
-- The two following files have not yet been ported to the plugin stuff:
+- The following file has not yet been ported to the plugin stuff:
     MainWindow_curvature_estimation.cpp
-    MainWindow_parameterization.cpp
-
+- The cut plugin has memory leaks. And the AABB tree item should be updated
+  when the corresponding items are changed().