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diff --git a/exercises/assignment3_hint2.mdwn b/exercises/assignment3_hint2.mdwn
index 2efd11d2..9821f057 100644
--- a/exercises/assignment3_hint2.mdwn
+++ b/exercises/assignment3_hint2.mdwn
@@ -1,4 +1,4 @@
-## Lists
+## Lists and List Comprehensions
 
 7. Continuing to encode lists in terms of their left-folds, how should we write `head`? This is challenging.
 
@@ -19,7 +19,7 @@ That's what `m a` should be, so `m` should be `\a. \n b. n a`. And if we check:
 `(\n b. n a) (\a. \n b. n a) b ~~>`  
 `(\b. (\a. \n b. n a) a) b ~~>`  
 `(\b. (\n b. n a)) b ~~>`  
-`(\n b. n a)` ≡  
+`(\n b. n a) <~~>`  
 `m a`
 
 Looks good. So `f` needs to be a function that accepts an argument `w` (after the first stage, this will be `m a`), and an argument `b`, and applies `w` to `m` and to `b`. In other words, `f` should be: