doc/index.texi | 2 +-

diff --git a/doc/index.texi b/doc/index.texi
index a43a4ed4c4c8f45fb88ca71ef93db578eef2aad6839d322ab03af4296e678403..5a4a44c271ad8ae71db9732cfc7b9ce389eb9cb0d7ba23814f10c7e629b8041d 100644
--- a/doc/index.texi
+++ b/doc/index.texi
@@ -27,7 +27,7 @@ If you are not familiar with the redo, here are advisable links to read:
 
 @itemize
 @item @url{https://redo.readthedocs.io/en/latest/, apenwarr/redo documentation}
-@item @url{http://jdebp.eu/FGA/introduction-to-redo.html, Introduction to redo}
+@item @url{http://web.archive.org/web/20201231033027/http://jdebp.eu/FGA/introduction-to-redo.html, Introduction to redo}
 @item @url{https://apenwarr.ca/log/20101214, The only build system that might someday replace make... is djb redo}
 @item @url{https://habr.com/ru/post/517490/,, Make на мыло, redo сила} (on russian)
 @end itemize