diff --git a/README.md b/README.md
index ad2eafe..702e344 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ This crate has zero dependencies.
 
 <!--ts-->
    * [Maps](#maps)
+      * [Explicitly typed values for trait objects](#explicitly-typed-values-for-trait-objects)
    * [Sets](#sets)
    * [B-tree based maps and sets](#b-tree-based-maps-and-sets)
    * [Vectors without cloning](#vectors-without-cloning)