diff --git a/share/man/man4/gpio.4 b/share/man/man4/gpio.4
index da95c39f8e9..276d6855b49 100644
--- a/share/man/man4/gpio.4
+++ b/share/man/man4/gpio.4
@@ -72,6 +72,13 @@ architecture include:
 .Cd "device wiigpio"
 .Cd "device macgpio"
 .Ed
+.Pp
+Additional device entries for the
+.Li RISC-V
+architecture include:
+.Bd -ragged -offset indent
+.Cd "device sifive_gpio"
+.Ed
 .Sh DESCRIPTION
 The
 .Nm