diff --git a/2004/kopczynski/README.md b/2004/kopczynski/README.md
index 6931c8ef2..275e23990 100644
--- a/2004/kopczynski/README.md
+++ b/2004/kopczynski/README.md
@@ -40,6 +40,9 @@ Also try:
 
 What happens?
 
+What happens if you feed the program source to the program? Can you figure out
+why?
+
 ### Alternate code
 
 The judges modified the program to print its result.  The original