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diff --git a/assignment4.mdwn b/assignment4.mdwn
index 821b92e1..12c1ef2a 100644
--- a/assignment4.mdwn
+++ b/assignment4.mdwn
@@ -68,15 +68,13 @@ lists to see if they're equal. (You just programmed this above.)
 
 Write the fringe-enumeration function. It should work on the implementation of
 trees you designed in the previous step.
-
-(See [[hints/Assignment 4 hint 3]] if you need some hints.)
 </OL>
 
 
 
 #Mutually-recursive functions#
 
-<OL start=4>
+<OL start=5>
 <LI>(Challenging.) One way to define the function `even` is to have it hand off
 part of the work to another function `odd`:
 
@@ -134,7 +132,7 @@ definitions of `even` and `odd`?
 notes](/week3/#index4h2) as a model, construct a pair `Y1` and `Y2` that behave
 in the way described.
 
-(See [[hints/Assignment 4 hint 4]] if you need some hints.)
+(See [[hints/Assignment 4 hint 3]] if you need some hints.)
 
 </OL>