diff -r 293ea84d82ca -r 62389faa66e4 cws/cw03.tex
--- a/cws/cw03.tex	Fri Jan 27 14:55:56 2017 +0000
+++ b/cws/cw03.tex	Wed Feb 01 13:54:55 2017 +0000
@@ -15,17 +15,18 @@
 
 \noindent
 \textbf{Important:} Do not use any mutable data structures in your
-submission! They are not needed. This excludes the use of
+submission! They are not needed. This menas 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!!!!!!!!}
+\subsection*{Disclaimer}
 
 It should be understood that the work you submit represents
 your own effort! You have not copied from anyone else. An
@@ -53,7 +54,7 @@
 \end{center}
 
 \noindent 
-Why? Knowing how to match regular expressions and strings fast will
+Why? Knowing how to match regular expressions and strings will
 let you solve a lot of problems that vex other humans. Regular
 expressions are one of the fastest and simplest ways to match patterns
 in text, and are endlessly useful for searching, editing and