diff -r 08e1fc4d6fef -r dbe860c3d686 text/ncat.tex
--- a/text/ncat.tex	Wed Jun 22 22:36:34 2011 -0700
+++ b/text/ncat.tex	Thu Jun 23 09:19:42 2011 -0700
@@ -678,7 +678,7 @@
 \centering
 \begin{tikzpicture}
 	[kw node/.style={circle,fill=orange!70},
-	kw arrow/.style={-latex, very thick, blue!70},
+	kw arrow/.style={-latex, very thick, blue!70, shorten >=.06cm, shorten <=.06cm},
 	kw label/.style={cca},
 	]