diff --git a/subjects/listlast/README.md b/subjects/listlast/README.md
index 3aa9b553..15423c66 100644
--- a/subjects/listlast/README.md
+++ b/subjects/listlast/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write a function `ListLast` that returns the last element of a linked list `l`.
+Write a function `ListLast` that returns the `Data` interface of the last element of a linked list `l`.
 
 ### Expected function and structure