dnsmasq: Replace Match with Set in tftp-server example (opnsense#695)

Author: Monviech

source/manual/dnsmasq.rst

@@ -763,7 +763,7 @@ Go to :menuselection:`Services --> Dnsmasq DNS & DHCP --> DHCP options`
 ==================================  =======================================================================================================
 Option                              Value
 ==================================  =======================================================================================================
-**Type**                            Match
+**Type**                            Set
 **Option**                          ``tftp-server-address[150]``
 **Tag [set]**                       ``voip``
 **Value**                           IP address of your TFTP server