diff --git a/index.yml b/index.yml
index f8fd8e8..4633ed5 100644
--- a/index.yml
+++ b/index.yml
@@ -99,12 +99,20 @@
       sidebar:
         - lable: index
           url: .
+        - lable: handigheidjes
+          url: handigheidjes.html
         - lable: opgavens
-          url: opgavens.html
+          url: opgaves.html
         - lable: week 1
           url: week-1.html
         - lable: week 2
           url: week-2.html
+    - lable: EPS20
+      sidebar:
+        - lable: index
+          url: .
+        - lable: week 1
+          url: week-1.html
 - lable: Toki Pona
   url: tokipona