diff --git a/contrib/win32/mercurial.ini b/contrib/win32/mercurial.ini
--- a/contrib/win32/mercurial.ini
+++ b/contrib/win32/mercurial.ini
@@ -30,7 +30,7 @@ editor = notepad
 
 ;
 ; For more information about mercurial extensions, start here
-; http://www.selenic.com/mercurial/wiki/index.cgi/UsingExtensions
+; https://www.mercurial-scm.org/wiki/UsingExtensions
 ;
 ; Extensions shipped with Mercurial
 ;