--- a/text/appendixes/famodiff.tex	Sun Feb 21 23:27:38 2010 +0000
+++ b/text/appendixes/famodiff.tex	Mon Feb 22 15:32:27 2010 +0000
@@ -3,6 +3,7 @@
 \section{Families of Diffeomorphisms}  \label{sec:localising}
 
 In this appendix we provide the proof of
+\nn{should change this to the more general \ref{extension_lemma_b}}
 
 \begin{lem*}[Restatement of Lemma \ref{extension_lemma}]
 Let $x \in CD_k(X)$ be a singular chain such that $\bd x$ is adapted to $\cU$.