--- a/cws/cw04.tex	Thu Nov 24 19:05:34 2022 +0000
+++ b/cws/cw04.tex	Thu Dec 01 12:51:49 2022 +0000
@@ -135,6 +135,11 @@
 %will \emph{only} be judged according to the answers. You can
 %submit your answers in a txt-file or as pdf.\bigskip
 
+\subsection*{Question 0 (Unmarked)}
+
+Please include a README file that contains your email address, your student
+number and whether you are BSc / MSci student and for the latter in which
+year your are in. Thanks! 
 
 \subsection*{Question 1}