diff --git a/static/install.html b/static/install.html
index 7b5c5cf4..1da76df4 100644
--- a/static/install.html
+++ b/static/install.html
@@ -100,8 +100,10 @@
the official repositories. On Debian-based distributions, the package and command name
were renamed to signify-openbsd
. Following Debian tradition, the
signify
package and command are an unmaintained legacy mail-related tool for
- generating signatures.
+ href="http://signify.sourceforge.net/">unmaintained mail-related tool for generating
+ mail signatures (not cryptographic signatures) with the final 3 releases from
+ 2003-2004 made directly by the developer via the Debian package without upstream
+ releases.