--- a/csupp.tex	Mon Sep 05 12:33:26 2011 +0000
+++ b/csupp.tex	Mon Sep 05 12:40:22 2011 +0000
@@ -37,7 +37,7 @@
 \noindent
 Parsing is the act of transforming plain text into some
 structure that can be analyzed by computers for further processing.
-One might think that parsing has been studied to death and after
+One might think that parsing has been studied to death, and after
 \emph{yacc} and \emph{lex} no new results can be obtained in this area.
 However recent results and novel approaches make it increasingly clear,
 that this is not true anymore.