diff --git a/_data/sidebars/examples_sidebar.yml b/_data/sidebars/examples_sidebar.yml
index a83094dc8..b9918407c 100644
--- a/_data/sidebars/examples_sidebar.yml
+++ b/_data/sidebars/examples_sidebar.yml
@@ -38,4 +38,8 @@ entries:
   - title: "Plasticity"
     url: /PlasticityExamples.html
     output: web
+    folderitems:
 
+    - title: "Nanoidentation"
+      url: /SlipSystemAlumina.html
+      output: web