diff --git a/.changeset/short-seals-sort.md b/.changeset/short-seals-sort.md
new file mode 100644
index 000000000..db8309c7f
--- /dev/null
+++ b/.changeset/short-seals-sort.md
@@ -0,0 +1,5 @@
+---
+'mermaid': minor
+---
+
+feat: allow to put notes in namespaces on classDiagram