--- a/slides/slides07.tex	Thu Nov 14 13:17:02 2019 +0000
+++ b/slides/slides07.tex	Thu Nov 14 13:50:29 2019 +0000
@@ -67,7 +67,9 @@
 \item you consume one or more token from the\\ 
   input (stream)
 \item \bl{\texttt{T\_NUM(1), T\_OP(+), T\_NUM(2)}}\bigskip
-\item a good starting point would be \texttt{comb2.scala}
+\item a good starting point would be \texttt{comb2.scala} 
+\item in case CW2 did not work, use \texttt{toks.scala} as 
+  input to the parser
 \end{itemize}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%