--- a/handouts/ho05.tex	Tue Nov 04 12:35:41 2014 +0000
+++ b/handouts/ho05.tex	Wed Nov 05 12:01:05 2014 +0000
@@ -1,7 +1,6 @@
 \documentclass{article}
 \usepackage{../style}
 \usepackage{../langs}
-\usetikzlibrary{patterns,decorations.pathreplacing}
 
 \begin{document}
 
@@ -808,8 +807,8 @@
 
 An article in The Guardien from 2013 reveals how GCHG and the NSA at a
 G20 Summit in 2009 sniffed emails from Internet cafes, monitored phone
-calls from delegates and attempted to listen on Russians phone calls
-which were transmitted via satelite links:
+calls from delegates and attempted to listen on phone calls which were made
+by Russions and which were transmitted via satelite links:
 
 \begin{center}
 \url{http://www.theguardian.com/uk/2013/jun/16/gchq-intercepted-communications-g20-summits}