diff --git a/src/experimental/note.md b/src/experimental/note.md
index 6892a4cc..6ceeb6b1 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -7,6 +7,7 @@ dotSCAD 3.0 Dev
 - `function_grapher`: delete `slicing` parameter. Improve `"LINES"`、`"HULL_LINES"` performance.
 - `hull_polyline3d`: Rename the parameter `thickness` to `diameter`.
 - `line3d`: Rename the parameter `thickness` to `diameter`.
+- `polyline3d`: Rename the parameter `thickness` to `diameter`.
 - `util/sort`: `by` accepts a function literal.
 - `util/bsearch`: only supports `sorted` and `target` parameters. I view it as a new function.
 - `util/dedup`: add the `eq` parameter.