--- a/hws/hw01.tex	Mon Sep 21 19:08:34 2015 +0100
+++ b/hws/hw01.tex	Mon Sep 21 20:31:35 2015 +0100
@@ -96,7 +96,7 @@
     
 \item And another one: Imagine you are researching security
       products (e.g.~CCTV, alarms etc) on a helpful website.
-      They ask you for you address details? Think about
+      They ask you for your address details? Think about
       whether this can be bad for you.