diff --git a/src/experimental/note.md b/src/experimental/note.md
index 50301b55..11365422 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -12,4 +12,5 @@ new:
 - polyline_join: doc multi-childs
 - mz_squarewalls, mz_hexwalls
 - mz_hamiltonian supports init_cells
-- util/count
\ No newline at end of file
+- util/count
+- lemniscate_curve?
\ No newline at end of file