--- a/hws/hw01.tex	Fri Sep 27 12:22:43 2013 +0100
+++ b/hws/hw01.tex	Fri Sep 27 15:05:50 2013 +0100
@@ -17,6 +17,8 @@
 
 \item {\bf (Optional)} Have a look at the crawler programs. 
 Can you find a usage for them in your daily programming life?
+Can you improve them (in cases they are linked on different levels, 
+they visit web-pages several times)? 
 
 \item Read the handout of the first lecture and make sure you
 understand the concepts of strings and languages.