-s:option(Value, "src_ip", translate("firewall_rule_srcip")).optional = true
-s:option(Value, "dest_ip", translate("firewall_rule_destip")).optional = true
-s:option(Value, "src_mac", translate("firewall_rule_srcmac")).optional = true
+s:option(Value, "src_ip", translate("Source address")).optional = true
+s:option(Value, "dest_ip", translate("Destination address")).optional = true
+s:option(Value, "src_mac", translate("Source MAC-Address")).optional = true