diff --git a/programming/lecture/programming.tex b/programming/lecture/programming.tex
index 47e9873..0c63aba 100644
--- a/programming/lecture/programming.tex
+++ b/programming/lecture/programming.tex
@@ -1813,7 +1813,7 @@ for i = 1:length(amplitudes)
 end
 hold off
 legend('show')
-\end{pagelisting}
+\end{lstlisting}
 
 \pagebreak[4]
 \begin{exercise}{plotMultipleSinewaves.m}{}
@@ -1861,4 +1861,4 @@ legend('show')
 
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\printsolutions
+% \printsolutions