--- a/Paper/Paper.thy	Thu Jan 24 17:14:39 2013 +0100
+++ b/Paper/Paper.thy	Thu Jan 24 17:15:42 2013 +0100
@@ -583,7 +583,7 @@
   \end{tabular}
   \end{center}
 
-  \noindet
+  \noindent
   {\it unfold} The first states that on a tape @{term "(Bk \<up> n,  [Oc, Oc])"}
   halts in tree steps leaving the tape unchanged. In the other states
   that @{term dither} started with tape @{term "(Bk \<up> n,  [Oc, Oc])"} loops.