--- a/handouts/ho01.tex	Tue Sep 26 12:47:25 2017 +0100
+++ b/handouts/ho01.tex	Tue Sep 26 13:22:24 2017 +0100
@@ -149,7 +149,7 @@
 showed that first fraud rates went up (while early problems to
 do with the introduction of Chip-and-PIN we exploited), then
 down, but recently up again (because criminals getting more
-familiar with the technology and how it can be exloited).} To begin with, the
+familiar with the technology and how it can be exploited).} To begin with, the
 Chip-and-PIN system introduced a ``new player'' into the
 system that needed to be trusted: the PIN terminals and their
 manufacturers. It was claimed that these terminals were