LoRa transport not available on the default channel

meshtastic/module_config.proto

@@ -134,6 +134,7 @@ message ModuleConfig {
 
     /*
      * Whether in addition to sending it to MQTT and the PhoneAPI, our NeighborInfo should be transmitted over LoRa.
+     * Note that this is not available on a channel with default key and name.
      */
     bool transmit_over_lora = 3; 
   }