diff -r 5c77374e0f12 -r a4a013146474 mc.html
--- a/mc.html	Tue Jul 08 12:51:48 2014 +0100
+++ b/mc.html	Tue Jul 08 12:53:17 2014 +0100
@@ -36,17 +36,17 @@
   as well as the directory <tt>nominal2</tt>.
 
 <li>3. If you want to recheck the sources of the paper, start on the command line
-  <center><tt>./Isabelle2014-RC0.app/Isabelle/bin/isabelle build -d . MC</tt></center>
+  <p><tt>./Isabelle2014-RC0.app/Isabelle/bin/isabelle build -d . MC</tt></p>
 
 <li>4. If you want to view and edit the sources of the paper, start on the command line
-  <center><tt>./Isabelle2014-RC0.app/Isabelle/bin/isabelle jedit Isabelle_Proofs.thy</tt></center>
+  <p><tt>./Isabelle2014-RC0.app/Isabelle/bin/isabelle jedit Isabelle_Proofs.thy</tt></p>
 </u>
 
 
 
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