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diff --git a/exercises/assignment5.mdwn b/exercises/assignment5.mdwn
index f0ee4811..f4955d9d 100644
--- a/exercises/assignment5.mdwn
+++ b/exercises/assignment5.mdwn
@@ -384,7 +384,7 @@ Yet we haven't given ourselves the capacity to talk about `list [S]` and so on a
     = λf:T -> S. λxs:list. xs [T] [list [S]] (λx:T. λys:list [S]. cons [S] (f x) ys) (nil [S])
 -->
 
-*Update: Never mind, don't bother with the next three questions. They proved to be more difficult to implement in OCaml than we expected. Here is [[some explanation|assignment5 hint3]].*
+*Update: Never mind, don't bother with the next three questions. They proved to be more difficult to implement in OCaml than we expected. Here is [[some explanation|assignment5 hint4]].*
 
 19. Convert this list encoding and the `map` function to OCaml or Haskell. Again, call the type `sysf_list`, and the functions `sysf_nil`, `sysf_cons`, and `sysf_map`, to avoid collision with the names for native lists and functions in these languages. (In OCaml and Haskell you *can* say `('t) sysf_list` or `Sysf_list t`.)