pf.conf.5: 'address' is mandatory with route-to

Adjust the BNF, and don't claim it is optional in the text.

PR:		290059
MFC after:	3 days
Sponsored by:	Rubicon Communications, LLC ("Netgate")

share/man/man5/pf.conf.5

@@ -27,7 +27,7 @@
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd August 28, 2025
+.Dd October 7, 2025
 .Dt PF.CONF 5
 .Os
 .Sh NAME
@@ -2377,7 +2377,7 @@ packets matching the same connection.
 .It Ar route-to
 The
 .Ar route-to
-option routes the packet to the specified interface with an optional address
+option routes the packet to the specified interface with an address
 for the next hop.
 When a
 .Ar route-to
@@ -3552,7 +3552,7 @@ hosts          = "all" |
 ipspec         = "any" | host | "{" host-list "}"
 host           = [ "!" ] ( address [ "/" mask-bits ] | "<" string ">" )
 redirhost      = address [ "/" mask-bits ]
-routehost      = "(" interface-name [ address [ "/" mask-bits ] ] ")"
+routehost      = "(" interface-name address [ "/" mask-bits ] ")"
 address        = ( interface-name | interface-group |
                  "(" ( interface-name | interface-group ) ")" |
                  hostname | ipv4-dotted-quad | ipv6-coloned-hex )