diff --git a/pal-vorstellung.tex b/pal-vorstellung.tex
index 1834052..20ee72b 100644
--- a/pal-vorstellung.tex
+++ b/pal-vorstellung.tex
@@ -196,7 +196,7 @@ cabbage, two onions, and three fridges. How many vegetables do I have?}@*)
 
 # solution in Python:
 
-ddef solution():
+def solution():
 """Olivia has $23. She bought five bagels for $3 each. How much money does she have left?"""
 
 def soloution()