diff --git a/src/experimental/note.md b/src/experimental/note.md
index ee1b0ee7..e1b3001c 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -5,31 +5,37 @@ to_do:
 new:
 
 - maze/mz_wang_tiles?
-    - mz_square, mz_theta
-- mz_squarewalls, mz_hexwalls
+
 - mz_hamiltonian supports init_cells
 
    update doc mz_square_initialize
-   
+
 - surface/sf_cylinder?
 - noise/worley_sphere?
 - voronoi/vrn_sphere?
 - t3d - roll/pitch/forward
 - polyline_join: doc multi-childs
 
-- util/count、binary_search
+- util/count
 - lemniscate_curve?
 - perlin_sphere?
 
 - rands_disk, rands_sphere?
 
-- sorted, contains
-
 - m_replace?
 
 - lsystem2, lsystem3, add seed param
 
 deprecated:
     rails2sections: use m_transpose
-    has
-    bsearch?
\ No newline at end of file
+
+doc-ed
+
+    deprecated:
+    - util/sort, util/bsearch, util/has
+    - maze/mz_square_cells, maze/mz_theta_cells, maze/mz_square_walls, maze/mz_hex_walls
+
+    new:
+    - util/sorted, util/binary_search, util/contains
+    - maze/mz_square, maze/mz_theta, maze/mz_squarewalls, maze/mz_hexwalls
+