diff -r 940e70378d90 -r bbe00108a6f3 testing1/collatz_test.sh
--- a/testing1/collatz_test.sh	Sat Nov 17 13:06:17 2018 +0000
+++ b/testing1/collatz_test.sh	Sat Nov 17 13:14:52 2018 +0000
@@ -37,7 +37,7 @@
 
 if (scala_vars collatz.scala)
 then
-  echo "  --> fail (make tripply-sure your program conforms to the required format)" >> $out
+  echo "  --> fail (make triple-sure your program conforms to the required format)" >> $out
   tsts0=$(( 0 ))
 else
   echo "  --> success" >> $out