update name and copyright
diff --git a/utils/pdftocairo.cc b/utils/pdftocairo.cc
index d0d1ec6..66311c2 100644
--- a/utils/pdftocairo.cc
+++ b/utils/pdftocairo.cc
@@ -1,6 +1,6 @@
//========================================================================
//
-// pdftoppm.cc
+// pdftocairo.cc
//
// Copyright 2003 Glyph & Cog, LLC
//
@@ -24,6 +24,7 @@
// Copyright (C) 2010 Jonathan Liu <net147@gmail.com>
// Copyright (C) 2010 William Bader <williambader@hotmail.com>
// Copyright (C) 2011 Thomas Freitag <Thomas.Freitag@alfa.de>
+// Copyright (C) 2011 Carlos Garcia Campos <carlosgc@gnome.org>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
