diff --git a/docs/Summary.md b/docs/Summary.md
index 5fad467e2..94caf8016 100644
--- a/docs/Summary.md
+++ b/docs/Summary.md
@@ -29,6 +29,7 @@
 
 - [Transforms](./api/transforms.md)
 - [Nodes](./api/nodes.md)
+  (Node, Editor, Element, Text)
 - [Locations](./api/locations.md)
 - [Refs](./api/refs.md)
 - [Miscellaneous](./api/miscellaneous.md)