--- a/coursework/cw04.tex	Mon Oct 19 15:03:44 2015 +0100
+++ b/coursework/cw04.tex	Mon Oct 19 23:49:25 2015 +0100
@@ -12,7 +12,24 @@
 \noindent This coursework is worth 10\% and is due on 11
 December at 16:00. You are asked to implement a compiler for
 the WHILE language that targets the assembler language
-provided by Jasmin. This assembler is available from
+provided by Jasmin or Krakatau. You can do the implementation
+in any programming language you like, but you need to submit
+the source code with which you answered the questions,
+otherwise a mark of 0\% will be awarded. You should use the
+lexer and parser from the previous courseworks. 
+
+\subsection*{Disclaimer}
+
+It should be understood that the work you submit represents
+your own effort. You have not copied from anyone else. An
+exception is the Scala code I showed during the lectures,
+which you can use. You can also use your own code from the
+CW~1, CW~2 and CW~3.
+
+
+\subsection*{Assemblers}
+
+The Jasmin assembler is available from
 
 \begin{center}
 \url{http://jasmin.sourceforge.net}