diff --git a/.changeset/strong-laws-confess.md b/.changeset/strong-laws-confess.md
index 341fad46d..49a242d59 100644
--- a/.changeset/strong-laws-confess.md
+++ b/.changeset/strong-laws-confess.md
@@ -3,3 +3,7 @@
 ---
 
 fix: fallback to raw text instead of rendering _Unsupported markdown_
+
+Instead of printing **Unsupported markdown: XXX** when using a markdown feature
+that Mermaid does not yet support when `htmlLabels: true` (default),
+fallback to the raw markdown text.