diff --git a/container/mts/mpegts.go b/container/mts/mpegts.go
index a10cd804..e47f720b 100644
--- a/container/mts/mpegts.go
+++ b/container/mts/mpegts.go
@@ -420,7 +420,7 @@ func resetAdaptation(p *packet.Packet) error {
 	return nil
 }
 
-// DiscontinuityIndicator returns and Option that will set p's discontinuity
+// DiscontinuityIndicator returns an Option that will set p's discontinuity
 // indicator according to f.
 func DiscontinuityIndicator(f bool) Option {
 	return func(p *packet.Packet) {
@@ -648,13 +648,13 @@ func SegmentForMeta(d []byte, key, val string) ([][]byte, error) {
 	// We've reached the end of the entire MTS clip so if we're segmenting we need
 	// to append current segment to res.
 	if segmenting {
-		res = append(res, d[start:len(d)])
+		res = append(res, d[start:])
 	}
 
 	return res, nil
 }
 
-// pid returns the packet identifier for the given packet.
+// PID returns the packet identifier for the given packet.
 func PID(p []byte) (uint16, error) {
 	if len(p) < PacketSize {
 		return 0, errors.New("packet length less than 188")