--- a/text/ncat.tex	Sun Sep 25 22:13:07 2011 -0600
+++ b/text/ncat.tex	Sun Sep 25 22:31:22 2011 -0600
@@ -84,7 +84,7 @@
 We are being deliberately vague about what flavor of $k$-balls
 we are considering.
 They could be unoriented or oriented or Spin or $\mbox{Pin}_\pm$.
-They could be topological or PL or smooth.
+They could be PL or smooth.
 %\nn{need to check whether this makes much difference}
 (If smooth, ``homeomorphism" should be read ``diffeomorphism", and we would need
 to be fussier about corners and boundaries.)