diff --git a/index.yml b/index.yml
index cd95cc0..fb10eee 100644
--- a/index.yml
+++ b/index.yml
@@ -102,10 +102,21 @@
       sidebar:
         - lable: Index
           url: .
-        - lable: Bi Polar Junction Transistor
-          url: bjt.html
-        - lable: Field Effect Transistor
-          url: fet.html
+        - lable: Dingen
+          url: dingen.html
+        - lable: lab 3
+          url: lab-3.html
+        - lable: lab 5
+          url: lab-5.html
+      - lable: ANE10-2
+        url: ANE10-2
+        sidebar:
+          - lable: Index
+            url: .
+          - lable: Bi Polar Junction Transistor
+            url: bjt.html
+          - lable: Field Effect Transistor
+            url: fet.html
 
     - lable: DIS10
       sidebar: