diff --git a/colophon.html b/colophon.html
index 02b8813..14964d3 100644
--- a/colophon.html
+++ b/colophon.html
@@ -8,5 +8,5 @@ created with <a href="https://man.openbsd.org/vi.1">vi</a>,<br>
 generated by <a href="https://www.romanzolotarev.com/ssg.html">ssg</a>,<br>
 running on <a href="https://openbsd.org">OpenBSD</a> and<br>
 hosted by <a href="https://openbsd.amsterdam">OpenBSD Amsterdam</a>.<br>
-Logo by <a href="https://rgz.ee/vi/">Roman Zolotarev</a>
+Logo by <a href="https://rgz.ee/vi/">Roman Zolotarev</a> based on <a href="https://www.cambus.net/spleen-monospaced-bitmap-fonts/">spleen</a>
 </p>