diff -r d04b8569f124 -r bf47dbac07f8 main_templates4/knight2.scala
--- a/main_templates4/knight2.scala	Sat Nov 06 00:06:39 2021 +0000
+++ b/main_templates4/knight2.scala	Mon Nov 08 00:17:50 2021 +0000
@@ -7,8 +7,8 @@
 
 // !!! Copy any function you need from file knight1.scala !!!
 //
-// If you need any auxiliary function, feel free to 
-// implement it, but do not make any changes to the
+// If you need any auxiliary functions, feel free to 
+// implement them, but do not make any changes to the
 // templates below.
 
 type Pos = (Int, Int)    // a position on a chessboard