diff -r d0cced9cdeae -r e424bc65080d doc/Contents
--- a/doc/Contents	Sun Jan 16 20:55:48 2011 +0100
+++ b/doc/Contents	Sun Jan 16 21:05:10 2011 +0100
@@ -10,7 +10,7 @@
   sledgehammer    User's Guide to Sledgehammer
   sugar           LaTeX Sugar for Isabelle documents
 
-Reference Manuals
+Main Reference Manuals
   isar-ref        The Isabelle/Isar Reference Manual
   implementation  The Isabelle/Isar Implementation Manual
   system          The Isabelle System Manual