fix typo

net/packet/packet.go

@@ -173,7 +173,7 @@ func (p *Packet) unpackWithoutCompression(r io.Reader) error {
 
 	lengthOfData := int(Length) - int(n)
 	if lengthOfData < 0 || lengthOfData > MaxDataLength {
-		return fmt.Errorf("uncompressed packet error: lenght is %d", lengthOfData)
+		return fmt.Errorf("uncompressed packet error: length is %d", lengthOfData)
 	}
 	if cap(p.Data) < lengthOfData {
 		p.Data = make([]byte, lengthOfData)

net/packet/packet_test.go

@@ -111,7 +111,7 @@ func ExamplePacket_Scan_joinGame() {
 		Hardcore       pk.Boolean
 		Gamemode       pk.UnsignedByte
 		PreGamemode    pk.Byte
-		WorldNames     = make([]pk.Identifier, 0) // This cannot replace with "var DimensionNames []pk.Identifier" because "nil" has no type information
+		WorldNames     = []pk.Identifier{} // This cannot replace with "var DimensionNames []pk.Identifier" because "nil" has no type information
 		DimensionCodec struct {
 			DimensionType interface{} `nbt:"minecraft:dimension_type"`
 			WorldgenBiome interface{} `nbt:"minecraft:worldgen/biome"`