--- a/cws/cw01.tex	Fri Jan 27 14:55:56 2017 +0000
+++ b/cws/cw01.tex	Wed Feb 01 13:54:55 2017 +0000
@@ -16,13 +16,13 @@
 
 \noindent
 \textbf{Important:} Do not use any mutable data structures in your
-submissions! They are not needed. This excludes the use of
+submissions! They are not needed. This means you cannot use 
 \texttt{ListBuffer}s, for example. Do not use \texttt{return} in your
 code! It has a different meaning in Scala, than in Java.
 Do not use \texttt{var}! This declares a mutable variable. Make sure the
 functions you submit are defined on the ``top-level'' of Scala, not
 inside a class or object. Also note that the running time of
-each part will be restricted to a maximum of 360 seconds. 
+each part will be restricted to a maximum of 360 seconds on my laptop.
 
 
 \subsection*{Disclaimer}