diff --git a/docs/sidebar.yml b/docs/sidebar.yml
index 3fcec6950d26..6672df319fc3 100644
--- a/docs/sidebar.yml
+++ b/docs/sidebar.yml
@@ -68,6 +68,7 @@ sidebar:
             - title: Kind Polymorphism
               url: docs/reference/other-new-features/kind-polymorphism.html
         - title: New Implicits
+          subsection:
             - title: Instance Definitions
               url: docs/reference/instances/instance-defs.html
             - title: Context Parameters