diff --git a/main.go b/main.go
index 65b62b3..963f723 100644
--- a/main.go
+++ b/main.go
@@ -18,7 +18,7 @@ import (
 	"github.com/miekg/dns"
 )
 
-// ndCounts holds various statistics about the running system
+// NodeCounts holds various statistics about the running system for use in html templates
 type NodeCounts struct {
 	NdStatus  []uint32     // number of nodes at each of the 4 statuses - RG, CG, WG, NG
 	NdStarts  []uint32     // number of crawles started last startcrawlers run
diff --git a/network.go b/network.go
index 39eaa4f..c3c275b 100644
--- a/network.go
+++ b/network.go
@@ -14,7 +14,7 @@ import (
 type JNetwork struct {
 	Name      string
 	Desc      string
-	Id        string
+	ID        string
 	Port      uint16
 	Pver      uint32
 	DNSName   string
@@ -30,7 +30,7 @@ func createNetFile() {
 
 	// create a struct to encode with json
 	jnw := &JNetwork{
-		Id:        "0xabcdef01",
+		ID:        "0xabcdef01",
 		Port:      1234,
 		Pver:      70001,
 		TTL:       600,
@@ -62,7 +62,7 @@ func createNetFile() {
 func loadNetwork(fName string) (*dnsseeder, error) {
 	nwFile, err := os.Open(fName)
 	if err != nil {
-		return nil, errors.New(fmt.Sprintf("Error reading network file: %v", err))
+		return nil, fmt.Errorf("Error reading network file: %v", err)
 	}
 
 	defer nwFile.Close()
@@ -71,7 +71,7 @@ func loadNetwork(fName string) (*dnsseeder, error) {
 
 	jsonParser := json.NewDecoder(nwFile)
 	if err = jsonParser.Decode(&jnw); err != nil {
-		return nil, errors.New(fmt.Sprintf("Error decoding network file: %v", err))
+		return nil, fmt.Errorf("Error decoding network file: %v", err)
 	}
 
 	return initNetwork(jnw)
@@ -80,11 +80,12 @@ func loadNetwork(fName string) (*dnsseeder, error) {
 func initNetwork(jnw JNetwork) (*dnsseeder, error) {
 
 	if jnw.Port == 0 {
-		return nil, errors.New(fmt.Sprintf("Invalid port supplied: %v", jnw.Port))
+		return nil, fmt.Errorf("Invalid port supplied: %v", jnw.Port)
+
 	}
 
 	if jnw.DNSName == "" {
-		return nil, errors.New(fmt.Sprintf("No DNS Hostname supplied"))
+		return nil, fmt.Errorf("No DNS Hostname supplied")
 	}
 
 	// init the seeder
@@ -98,9 +99,9 @@ func initNetwork(jnw JNetwork) (*dnsseeder, error) {
 	seeder.dnsHost = jnw.DNSName
 
 	// conver the network magic number to a Uint32
-	t1, err := strconv.ParseUint(jnw.Id, 0, 32)
+	t1, err := strconv.ParseUint(jnw.ID, 0, 32)
 	if err != nil {
-		return nil, errors.New(fmt.Sprintf("Error converting Network Magic number: %v", err))
+		return nil, fmt.Errorf("Error converting Network Magic number: %v", err)
 	}
 	seeder.id = wire.BitcoinNet(t1)
 
diff --git a/seeder.go b/seeder.go
index ac9ce5b..df4f600 100644
--- a/seeder.go
+++ b/seeder.go
@@ -416,10 +416,10 @@ func isDuplicateSeeder(s *dnsseeder) (bool, error) {
 	// check for duplicate seeders with the same details
 	for _, v := range config.seeders {
 		if v.id == s.id {
-			return true, errors.New(fmt.Sprintf("Duplicate Magic id. Already loaded for %s so can not be used for %s", v.id, v.name, s.name))
+			return true, fmt.Errorf("Duplicate Magic id. Already loaded for %s so can not be used for %s", v.id, v.name, s.name)
 		}
 		if v.dnsHost == s.dnsHost {
-			return true, errors.New(fmt.Sprintf("Duplicate DNS names. Already loaded %s for %s so can not be used for %s", v.dnsHost, v.name, s.name))
+			return true, fmt.Errorf("Duplicate DNS names. Already loaded %s for %s so can not be used for %s", v.dnsHost, v.name, s.name)
 		}
 	}
 	return false, nil
@@ -427,4 +427,4 @@ func isDuplicateSeeder(s *dnsseeder) (bool, error) {
 
 /*
 
-*/
+ */
diff --git a/seeder_test.go b/seeder_test.go
index 65950c3..82f80f8 100644
--- a/seeder_test.go
+++ b/seeder_test.go
@@ -9,7 +9,7 @@ import (
 
 func TestGetNonStdIP(t *testing.T) {
 
-	var ip_tests = []struct {
+	var iptests = []struct {
 		rip   string
 		port  uint16
 		encip string
@@ -20,10 +20,10 @@ func TestGetNonStdIP(t *testing.T) {
 		{"123.213.132.231", 34, "12.91.0.34"},
 	}
 
-	for _, x := range ip_tests {
-		newip := getNonStdIP(net.ParseIP(x.rip), x.port)
-		if newip.String() != x.encip {
-			t.Errorf("real-ip: %s real-port: %v encoded-ip: %v expected-ip: %s", x.rip, x.port, newip, x.encip)
+	for _, atest := range iptests {
+		newip := getNonStdIP(net.ParseIP(atest.rip), atest.port)
+		if newip.String() != atest.encip {
+			t.Errorf("real-ip: %s real-port: %v encoded-ip: %v expected-ip: %s", atest.rip, atest.port, newip, atest.encip)
 		}
 	}
 }
@@ -46,11 +46,11 @@ func TestAddnNa(t *testing.T) {
 	}
 	s.theList = make(map[string]*node)
 
-	for _, x := range td {
+	for _, atest := range td {
 		// Test NewNetAddress.
 		tcpAddr := &net.TCPAddr{
-			IP:   net.ParseIP(x.ip),
-			Port: x.port,
+			IP:   net.ParseIP(atest.ip),
+			Port: atest.port,
 		}
 		na, _ := wire.NewNetAddress(tcpAddr, 0)
 		ndName := net.JoinHostPort(na.IP.String(), strconv.Itoa(int(na.Port)))
@@ -59,8 +59,8 @@ func TestAddnNa(t *testing.T) {
 		if result != true {
 			t.Errorf("failed to create new node: %s", ndName)
 		}
-		if s.theList[ndName].dnsType != x.dnsType {
-			t.Errorf("node: %s dnsType:%v expected: %v", ndName, s.theList[ndName].dnsType, x.dnsType)
+		if s.theList[ndName].dnsType != atest.dnsType {
+			t.Errorf("node: %s dnsType:%v expected: %v", ndName, s.theList[ndName].dnsType, atest.dnsType)
 		}
 	}