--- gomoku.el~	2015-02-01 18:27:17.000000000 +0100
+++ gomoku.el	2015-08-20 11:30:44.000000000 +0200
@@ -37,5 +37,6 @@
 ;; for the first player. This program has no such restriction, but it does not
 ;; know about the forced win, nor do I.
-;; See http://renju.nu/r1rulhis.htm for more information.
+;; See http://renju.se/rif/r1rulhis.htm or https://en.wikipedia.org/wiki/Gomoku
+;; for more information.