--- a/coursework/cw02.tex	Mon Oct 14 00:48:01 2019 +0100
+++ b/coursework/cw02.tex	Wed Oct 16 11:00:48 2019 +0100
@@ -173,7 +173,8 @@
 after each derivation step and rectify the computed values after each
 injection. Use this lexer to tokenize the programs in
 Figure~\ref{fib} and \ref{loop}. Give the tokens of these
-programs where whitespaces are filtered out.\bigskip
+programs where whitespaces are filtered out. Make sure you can
+tokenise \textbf{exactly} these programs.\bigskip
 
 
 \begin{figure}[h]