--- a/handouts/ho03.tex	Wed Jul 08 14:36:12 2015 +0100
+++ b/handouts/ho03.tex	Wed Aug 05 09:46:37 2015 +0200
@@ -684,7 +684,7 @@
 compiler to include debugging information and also produce
 non-optimised code (the latter makes the output of the code a
 bit more predictable). The third is important as it switches
-of defences like the stack canaries. The fourth again makes it
+off defences like the stack canaries. The fourth again makes it
 a bit easier to read the code. The final option makes the
 stack executable, thus the the example in Figure~\ref{C3}
 works as intended. While this might be considered