--- a/handouts/ho03.tex	Tue Aug 23 15:37:59 2016 +0200
+++ b/handouts/ho03.tex	Mon Sep 05 12:27:04 2016 +0100
@@ -858,6 +858,8 @@
 for looking at the content of the stack
 \item \texttt{x/nxb addr} -- prints out \texttt{n} bytes 
 \item \texttt{q} -- quits the debugger
+\item \texttt{tui enable} or \texttt{C-x C-a} --- switches into
+TUI mode 
 \end{itemize}