diff --git a/types/commonmark/index.d.ts b/types/commonmark/index.d.ts
index 01b9541efa..96bb2774c5 100644
--- a/types/commonmark/index.d.ts
+++ b/types/commonmark/index.d.ts
@@ -64,7 +64,7 @@ export class Node {
     /**
      * either Bullet or Ordered (or undefined).
      */
-    listType: 'Bullet' | 'Ordered';
+    listType: 'bullet' | 'ordered';
     /**
      * true if list is tight
      */