diff --git a/opnsense-carp-dhcp.php b/opnsense-carp-dhcp.php
index 5312509..0bac323 100644
--- a/opnsense-carp-dhcp.php
+++ b/opnsense-carp-dhcp.php
@@ -118,6 +118,8 @@ printf("Setting WAN to Static based on the DHCP information. \n");
 $config['interfaces'][$wanInterface]['ipaddr'] = $wanStaticIP;
 $config['interfaces'][$wanInterface]['subnet'] = $wanStaticIPSubnet;
 $config['interfaces'][$wanInterface]['gateway'] = $gatewayName;
+
+# setup gateway
 $gwCount = count($config['gateways']['gateway_item']);
 $config['gateways']['gateway_item'][$gwCount]['gateway'] = $gatewayIP;
 $config['gateways']['gateway_item'][$gwCount]['interface'] = $interface;
@@ -127,13 +129,14 @@ $config['gateways']['gateway_item'][$gwCount]['monitor_disable'] = 1;
 $config['gateways']['gateway_item'][$gwCount]['defaultgw'] = 1;
 $config['gateways']['gateway_item'][$gwCount]['fargw'] = 1;
 
-# Loop through outbound nat
+# Loop through outbound nat and update the wan ip 
 foreach ($config['nat']['outbound']['rule'] as $i => $rule) {
     if ($rule['interface'] == $wanInterface ) {
         $config['nat']['outbound']['rule'][$i]['target'] = $wanIP;
     }
 }
 
+# loop through carp addresses and update the wan ip address
 foreach ($config['virtualip']['vip'] as $i => $vip) {
     if ($vip['interface'] == $wanInterface) {
         $config['virtualip']['vip'][$i]['subnet_bits'] = $wanSubnet;
@@ -153,10 +156,12 @@ filter_configure_sync(true);
 webgui_configure_do(true);
 rrd_configure(true);
 
-
 printf("Done Setting WAN to Static based on the DHCP information. \n");
+
 printf("Sleeping for 30 seconds. \n");
 sleep(30);
+
+# try to sync carp settings to backup node/router
 printf("Starting the CARP Sync. \n");
 $syncStatus = trim(shell_exec('configctl system ha_reconfigure_backup'));
 printf("CARP Sync Status: %s. \n", $syncStatus);