Update link to Columbia Games.HEADmaster

1 files changed, 1 insertions, 1 deletions

diff --git a/about.html b/about.html
index f54f9d0..14b7976 100644
--- a/about.html
+++ b/about.html
@@ -16,7 +16,7 @@ he perish in battle as he did historically?
 
 <p>
 Designer: Jerry Taylor.
-<br> Copyright &copy; 2009 <a href="https://columbiagames.com/cgi-bin/query/cfg/zoom.cfg?product_id=3171">Columbia Games</a> and Jerry Taylor.
+<br> Copyright &copy; 2009 <a href="https://secure.columbiagames.com/product/3171">Columbia Games</a> and Jerry Taylor.
 <br> Programming &copy; 2021 Tor Andersson.
 
 <ul>