--- a/cws/main_cw04.tex	Sat Nov 28 15:37:58 2020 +0000
+++ b/cws/main_cw04.tex	Sat Nov 28 15:58:36 2020 +0000
@@ -163,9 +163,9 @@
 
 \subsection*{Reference Implementation}
 
-You\alert{} need to download \texttt{knight1.jar} from KEATS. The one
+\mbox{}\alert{}\textcolor{red}{You need to download \texttt{knight1.jar} from KEATS. The one
 supplied with github does not contain the correct code. See Scala coursework
-section. \medskip
+section on KEATS.}\medskip
 
 \noindent
 This Scala part comes with three reference implementations in form of
@@ -255,6 +255,8 @@
 
 \subsubsection*{Tasks (file knight1.scala)}
 
+
+
 \begin{itemize}
 \item[(1)] Implement an \texttt{is\_legal} function that takes a
   dimension, a path and a position as arguments and tests whether the
@@ -310,6 +312,12 @@
 
 \subsubsection*{Tasks (file knight1.scala cont.)}
 
+\mbox{}\alert{}\textcolor{red}{You need to copy your \texttt{knight1.scala}
+  from the preliminary part to the main part and then solve Tasks 4 and 5
+  inside the copied file. Do not forget to ``git add'' the file for
+  pushing the results to the directory \texttt{main4}.}\medskip
+
+
 \begin{itemize}
 \item[(4)] Implement a \texttt{first}-function. This function takes a list of
   positions and a function $f$ as arguments; $f$ is the name we give to