Rewrite page(2) references to page(3).
Add description of new libmach.
diff --git a/man/man3/rc4.3 b/man/man3/rc4.3
index fb0c94d..a395146 100644
--- a/man/man3/rc4.3
+++ b/man/man3/rc4.3
@@ -43,13 +43,13 @@
.SH SOURCE
.B /sys/src/libsec
.SH SEE ALSO
-.IR mp (2),
-.IR aes (2),
-.IR blowfish (2),
-.IR des (2),
-.IR dsa (2),
-.IR elgamal (2),
-.IR rsa (2),
-.IR sechash (2),
-.IR prime (2),
-.IR rand (2)
+.IR mp (3),
+.IR aes (3),
+.IR blowfish (3),
+.IR des (3),
+.IR dsa (3),
+.IR elgamal (3),
+.IR rsa (3),
+.IR sechash (3),
+.IR prime (3),
+.IR rand (3)
