diff --git a/VL1/content/VL1_questions_for_you.tex b/VL1/content/VL1_questions_for_you.tex
index e17fcce..8cfd08e 100644
--- a/VL1/content/VL1_questions_for_you.tex
+++ b/VL1/content/VL1_questions_for_you.tex
@@ -3,6 +3,7 @@
 \item \ifger{was ist referenzielle Transparenz?}{What is referential transparency?}
 \item \ifger{kann ich referenzielle Transparenz mit Seiteneffekten haben?}{Can you have referential transparency with side effects?}
 \item \ifger{wovon hängt die Ausgabe einer Haskell Funktion ab?}{What does the output of a haskell function depend on?}
+\item \ifger{Was ist call-by-name? Was ist call-by-need?}{What is call-by-name? What is call-by-need?}
 \item \ifger{was ist}{What is} laziness?
 \item \ifger{Wann werden Typen in Haskell geprüft?}{When are types checked in haskell?}
 \item \ifger{Was sind die Unterschiede zwischen Listen und Tuplen?}{What are the differences between lists and pairs?}