--- a/doc/hg.1.txt
+++ b/doc/hg.1.txt
@@ -802,6 +802,6 @@ http://selenic.com/mailman/listinfo/merc
 
 COPYING
 -------
-Copyright (C) 2005 Matt Mackall.
+Copyright \(C) 2005 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
 Public License (GPL).