diff --git a/man4/intro.4 b/man4/intro.4
index 85c2b4190..9a2870720 100644
--- a/man4/intro.4
+++ b/man4/intro.4
@@ -36,4 +36,6 @@ Look at the header of the manual page source for the author(s) and copyright
 conditions.
 Note that these can be different from page to page!
 .SH SEE ALSO
+.BR mknod (1),
+.BR mknod (2),
 .BR standards (7)