Update share/man/man5/rc.conf.5

Co-authored-by: Alexander Ziaee <[email protected]>

Author: thegushi

share/man/man5/rc.conf.5

@@ -692,11 +692,13 @@ basic protection for a LAN.
 .El
 .Pp
 If a filename is specified, the full path
-must be given.  If a directory is specified, then
-the directory should contain files containing headers
-compatible with rcorder(8) as they will be sorted
-in this order, and then ipfw(8) will be run on each,
-as though each were a singular rules file.
+must be given.
+If a directory is specified, then the
+directory should contain files containing headers compatible with
+.Xr rcorder 8
+as they will be sorted in this order, and then
+.Xr ipfw 8
+will be run on each, as though each were a singular rules file.
 .Pp
 Most of the predefined rulesets define additional configuration variables.
 These are documented in