diff --git a/lib/libc/posix1e/posix1e.3 b/lib/libc/posix1e/posix1e.3
index 77e8b7f0432b..3c80e1514ea7 100644
--- a/lib/libc/posix1e/posix1e.3
+++ b/lib/libc/posix1e/posix1e.3
@@ -94,6 +94,7 @@ use in the short term.
 .Sh SEE ALSO
 .Xr acl 3 ,
 .Xr cap 3 ,
+.Xr mac 3 ,
 .Xr acl 9 ,
 .Xr cap 9 ,
 .Xr extattr 9