diff -r 166bb9b6b20a -r b1a51285de7e templates/collatz.scala
--- a/templates/collatz.scala	Tue Nov 07 14:17:21 2017 +0000
+++ b/templates/collatz.scala	Wed Nov 08 02:06:54 2017 +0000
@@ -10,7 +10,7 @@
 //    performs the recursion. The function should expect
 //    arguments in the range of 1 to 1 Million.
 
-//def collatz(n: Long): ... = ...
+//def collatz(n: Long) : Long = ...
 
 
 //(2)  Complete the collatz bound function below. It should
@@ -22,7 +22,7 @@
 //     the maximum number of steps and the second is the 
 //     corresponding number.
 
-//def collatz_max(bnd: Long): (Long, Long) = ...
+//def collatz_max(bnd: Long) : (Long, Long) = ...
 
 
 }