diff -r 109ecc26c50d -r bff9959bdc98 pnas/pnas.tex
--- a/pnas/pnas.tex	Fri Nov 12 14:34:16 2010 -0800
+++ b/pnas/pnas.tex	Fri Nov 12 15:07:00 2010 -0800
@@ -97,7 +97,7 @@
 %% For titles, only capitalize the first letter
 %% \title{Almost sharp fronts for the surface quasi-geostrophic equation}
 
-\title{The blob complex}
+\title{$n$-categories, colimits and the blob complex}
 
 
 %% Enter authors via the \author command.