diff --git a/libexec/makekey/makekey.8 b/libexec/makekey/makekey.8
index f2751439e369..07518b1f66b9 100644
--- a/libexec/makekey/makekey.8
+++ b/libexec/makekey/makekey.8
@@ -52,6 +52,7 @@ for more information on what characters the key and salt can contain
 and how the encrypted value is calculated.
 .Sh SEE ALSO
 .Xr login 1 ,
+.Xr openssl 1 ,
 .Xr crypt 3
 .Sh HISTORY
 A