diff --git a/docs/index.md b/docs/index.md
index 5e7c6348b46ce9761b57ef683d36b1285e384d7b..b91144f439ae155fe79a76a47112b9043e55b6ca 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -34,7 +34,7 @@ If something is unclear, if you notice a typo, or if you have a suggestion, plea
 
 * Week 8: [Magnetism](lecture_8.md)  
   (based on chapters 19-20)  
-  Exercises 19.3, 19.6, 20.1, 20.4
+  Exercises 19.3, 19.6, 20.1, 20.2, 20.4
 
 ## Test results