Binary file hw01.pdf has changed

--- a/hw01.tex	Fri Sep 28 15:18:44 2012 +0100
+++ b/hw01.tex	Sun Sep 30 00:21:52 2012 +0100
@@ -7,13 +7,13 @@
 \section*{Homework 1}
 
 \begin{enumerate}
-\item {\bf (Optional)} If you want to look at code presented in the lectures, install Scala available from
+\item {\bf (Optional)} If you want to have a look at the code presented in the lectures, install Scala available (for free) from
 \begin{center}
 \url{http://www.scala-lang.org}
 \end{center}
 
 \noindent
-The web-applications were written in Scala using the Play Framework available from
+The web-applications from the first lecture are written in Scala using the Play Framework available (also for free) from
 \begin{center}
 \url{http://www.playframework.org}
 \end{center}
@@ -35,7 +35,7 @@
 \item Explain what hashes and salts are. Describe how they can be used for ensuring data integrity and
 storing password information.
 
-\item What are good uses of cookies (browser cookies)?
+\item What are good uses of cookies (that is browser cookies)?
 
 \end{enumerate}