Fix typos in comments (#3415)

plugins/inputs/minecraft/internal/rcon/rcon.go

@@ -197,7 +197,7 @@ func (c *Client) Send(typ int32, command string) (response *Packet, err error) {
 }
 
 // NewClient creates a new Client type, creating the connection
-// to the server specified by the host and port arguements. If
+// to the server specified by the host and port arguments. If
 // the connection fails, an error is returned.
 func NewClient(host string, port int) (client *Client, err error) {
 	client = new(Client)

plugins/inputs/minecraft/minecraft.go

@@ -47,7 +47,7 @@ func (s *Minecraft) SampleConfig() string {
 	return sampleConfig
 }
 
-// Gather uses the RCON protocal to collect player and
+// Gather uses the RCON protocol to collect player and
 // scoreboard stats from a minecraft server.
 //var hasClient bool = false
 func (s *Minecraft) Gather(acc telegraf.Accumulator) error {

plugins/inputs/minecraft/rcon.go

@@ -76,7 +76,7 @@ func newClient(server, port string) (*rcon.Client, error) {
 	return client, nil
 }
 
-// Gather recieves all player scoreboard information and returns it per player.
+// Gather receives all player scoreboard information and returns it per player.
 func (r *RCON) Gather(producer RCONClientProducer) ([]string, error) {
 	if r.client == nil {
 		var err error