diff -r 771042ac7c3f -r a5fade10c207 handouts/ho01.tex
--- a/handouts/ho01.tex	Sun Sep 14 15:18:58 2014 +0100
+++ b/handouts/ho01.tex	Sun Sep 14 23:32:22 2014 +0100
@@ -312,7 +312,8 @@
 
 If you prefer to think in terms of the implementation
 of regular expressions in Scala, the constructors and
-classes relate as follows
+classes relate as follows\footnote{More about Scala is 
+in the handout about a crash-course on Scala.}
 
 \begin{center}
 \begin{tabular}{rcl}