diff --git a/doc/html/minimal.css b/doc/html/minimal.css
index 76d1031..60c6242 100644
--- a/doc/html/minimal.css
+++ b/doc/html/minimal.css
@@ -1,6 +1,6 @@
 /*
 
-  © Copyright Beman Dawes, 2007
+  Copyright (c) 2007 Beman Dawes
 
   Distributed under the Boost Software License, Version 1.0.
   See www.boost.org/LICENSE_1_0.txt