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diff --git a/hints/assignment_4_hint_3.mdwn b/hints/assignment_4_hint_3.mdwn
index 9cfef8ad..94e2010a 100644
--- a/hints/assignment_4_hint_3.mdwn
+++ b/hints/assignment_4_hint_3.mdwn
@@ -1,6 +1,6 @@
 Hints for Y1,Y2. 
 
-*	Begin by trying to define `X1` and `X2` directly, then once they're working, you can abstract back to a pair of combinators `Y1` and `Y2` that generate `X1` and `X2` for a given pair of arguments `T1` and `T2`.
+*	Begin by trying to define `X1` and `X2` directly [[assignment 4 hint 3 hint 1]], then once they're working, you can abstract back to a pair of combinators `Y1` and `Y2` that generate `X1` and `X2` for a given pair of arguments `T1` and `T2`.
 
 	You want: