diff --git a/2018/ferguson/index.html b/2018/ferguson/index.html
index 3b1d28ec3..ed3010829 100644
--- a/2018/ferguson/index.html
+++ b/2018/ferguson/index.html
@@ -1394,7 +1394,8 @@ email but I’m more likely to respond to mastodon messages.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/prog.alt.c">prog.alt.c</a> - alternative source</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/prog.orig.c">prog.orig.c</a> - original source</li>
-<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/FILES">FILES</a> - information about various files</li>
+<li><a href="FILES.html">FILES.html</a> - list of files in this entry</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/FILES.md">FILES.md</a> - markdown source for FILES.html</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/id.alt.sh">id.alt.sh</a> - how to run</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/id.sh">id.sh</a> - how to run</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/ferguson/monkey-words.alt.sh">monkey-words.alt.sh</a> - how to run</li>