From 6f68cbbe8044040869e0dfb37b302331801ceaf5 Mon Sep 17 00:00:00 2001
From: Chris Martin <ch.martin@gmail.com>
Date: Sun, 6 Nov 2016 15:05:31 -0800
Subject: [PATCH] recursive do: fix justOnes type and GHC link (#141)

---
 tutorial.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tutorial.md b/tutorial.md
index bfef62f..3976083 100644
--- a/tutorial.md
+++ b/tutorial.md
@@ -2776,13 +2776,13 @@ of a monadic context that need to hold a reference to themselves.
 ```haskell
 {-# LANGUAGE RecursiveDo #-}
 
-justOnes :: [Int]
+justOnes :: Maybe [Int]
 justOnes = do
   rec xs <- Just (1:xs)
   return (map negate xs)
 ```
 
-See: [Recursive Do Notation](https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/syntax-extns.html#recursive-do-notation)
+See: [Recursive Do Notation](https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/glasgow_exts.html#the-recursive-do-notation)
 
 Applicative Do
 --------------