diff --git a/Algo/Courses/Chapter 6 - Lists (Exercises).md b/Algo/Courses/Chapter 6 - Lists (Exercises).md
index 88d2734..8e8b692 100644
--- a/Algo/Courses/Chapter 6 - Lists (Exercises).md	
+++ b/Algo/Courses/Chapter 6 - Lists (Exercises).md	
@@ -202,4 +202,4 @@ val insert_nth: 'a -> int -> 'a list -> 'a list = <fun>
 # let insert_post x y list = match list with
 	| [] -> failwith "list is too large or empty"
 	| e::t -> if e = x then e::y::t else e::insert_post x y (t);;
-val insert_post : 'a -> '
\ No newline at end of file
+val insert_post : 'a -> a' list -> list = <fun>
\ No newline at end of file