diff --git a/guide/english/haskell/hello-world/index.md b/guide/english/haskell/hello-world/index.md
index 22f320963b..a8ea5e2d2f 100644
--- a/guide/english/haskell/hello-world/index.md
+++ b/guide/english/haskell/hello-world/index.md
@@ -22,3 +22,4 @@ main :: IO ()
 main = printer hello
 
 ```
+> Function compositions are a better way to write multiple nested functions in Haskell. In the above example, putStrLn.show is equivalent to (putStrLn (show)).