--- a/text/ncat.tex	Thu Oct 06 12:55:57 2011 -0700
+++ b/text/ncat.tex	Sat Oct 08 17:35:05 2011 -0700
@@ -1788,7 +1788,7 @@
 restricts to a homeomorphism of markings.
 
 \begin{module-axiom}[Module morphisms] \label{module-axiom-funct}
-{For each $0 \le k \le n$, we have a functor $\cM_k$ from 
+{For each $1 \le k \le n$, we have a functor $\cM_k$ from 
 the category of marked $k$-balls and 
 homeomorphisms to the category of sets and bijections.}
 \end{module-axiom}