diff --git a/index.yml b/index.yml
index 893c857..92371f7 100644
--- a/index.yml
+++ b/index.yml
@@ -108,15 +108,15 @@
           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: 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: