diff --git a/Algo/Courses/Chapter 7 - High Order (exercises).md b/Algo/Courses/Chapter 7 - High Order (exercises).md
index 100f158..3e5a8bf 100644
--- a/Algo/Courses/Chapter 7 - High Order (exercises).md	
+++ b/Algo/Courses/Chapter 7 - High Order (exercises).md	
@@ -45,4 +45,4 @@ val for_all: ('a -> bool) -> 'a list -> bool = <fun>
 # let rec exists p = function
 	| [] -> true
 	| e::t -> p e || for_all p t;;
-val exists 
+val exists: ('a -> bool) -> 'a list -> bool = <fun>