--- a/cws/cw01.tex	Wed Nov 09 13:36:13 2016 +0000
+++ b/cws/cw01.tex	Thu Nov 10 00:45:09 2016 +0000
@@ -11,6 +11,9 @@
 at 11:00. You are asked to implement three programs about list
 processing and recursion. The third part is more advanced and might
 include material you have not yet seen in the first lecture.
+Make sure the files you submit can be processed by just calling
+\texttt{scala <<filename.scala>>}. 
+
 
 \subsection*{Disclaimer}