--- a/text/ncat.tex	Wed Mar 03 20:17:52 2010 +0000
+++ b/text/ncat.tex	Fri Mar 05 20:27:08 2010 +0000
@@ -1082,6 +1082,7 @@
 
 
 \subsection{The $n{+}1$-category of sphere modules}
+\label{ssec:spherecat}
 
 In this subsection we define an $n{+}1$-category $\cS$ of ``sphere modules" 
 whose objects correspond to $n$-categories.