diff --git a/bngsdk.go b/bngsdk.go
index 53fc560..01322fe 100644
--- a/bngsdk.go
+++ b/bngsdk.go
@@ -1,3 +1,5 @@
+// Package bngsdk defines an API to interact with the BeamNG outgauge data in
+// Go
 package bngsdk
 
 import (
@@ -8,8 +10,10 @@ import (
 )
 
 const (
-	UDP_IP   = "127.0.0.1"
-	UDP_PORT = 4444
+	// UDPIP is the IP of the UDP outgauge server
+	UDPIP = "127.0.0.1"
+	// UDPPort is the port of the UDP outgauge server
+	UDPPort = 4444
 )
 
 type BNGSDK struct {
@@ -17,7 +21,7 @@ type BNGSDK struct {
 	Conn     *net.UDPConn
 	Buffer   []byte
 	Data     *Outgauge
-	DataDict map[string]interface{}
+	DataDict map[string]any
 }
 
 func createUDPConnection(ip string, port int) (*net.UDPConn, *net.UDPAddr, error) {
@@ -66,7 +70,7 @@ func (sdk *BNGSDK) ReadData() error {
 }
 
 func (sdk *BNGSDK) Close() {
-	sdk.Conn.Close()
+	_ = sdk.Conn.Close()
 }
 
 // Init initializes a BeamNG SDK struct
diff --git a/outgauge.go b/outgauge.go
index 5d2c00f..1a15ca3 100644
--- a/outgauge.go
+++ b/outgauge.go
@@ -1,11 +1,13 @@
 package bngsdk
 
+// More documentation at https://go.beamng.com/protocols.
+
 /* TODO
    - OG_x Flags
    - DL_x Flags
 */
 
-// More documentation at https://go.beamng.com/protocols
+// Outgauge describes the data served by the BeamNG outgauge server
 type Outgauge struct {
 	Time        uint32   // time in milliseconds (to check order)
 	Car         [4]byte  // Car name
@@ -29,8 +31,9 @@ type Outgauge struct {
 	ID          int32    // optional - only if OutGauge ID is specified
 }
 
-func (o *Outgauge) ToMap() map[string]interface{} {
-	return map[string]interface{}{
+// ToMap creates a map with the data in the Outgauge struct
+func (o *Outgauge) ToMap() map[string]any {
+	return map[string]any{
 		"Time":        o.Time,        // time in milliseconds (to check order)
 		"Car":         o.Car,         // Car name
 		"Flags":       o.Flags,       // Info (see OG_x below)