--- a/hw06.tex	Wed Dec 05 12:38:24 2012 +0000
+++ b/hw06.tex	Tue Dec 11 11:07:49 2012 +0000
@@ -27,7 +27,7 @@
 \end{enumerate}
 
 In case they can, give the corresponding token sequences. (Hint: 
-Observer the maximal munch rule and priorities of your regular
+Observe the maximal munch rule and priorities of your regular
 expressions that make the process of lexing unambiguous.)
 
 \item Suppose the grammar