diff --git a/stream/mts/encoder.go b/stream/mts/encoder.go
index 9e0bcc6f..29875588 100644
--- a/stream/mts/encoder.go
+++ b/stream/mts/encoder.go
@@ -39,7 +39,7 @@ import (
 
 // Some common manifestations of PSI
 var (
-	// PSI struct to represent basic PAT.
+	// PSI struct to represent a bare minimum PAT.
 	standardPat = psi.PSI{
 		Pf:  0x00,
 		Tid: 0x00,
@@ -59,7 +59,7 @@ var (
 		},
 	}
 
-	// PSI struct to represent basic PMT without descriptors for time and location.
+	// PSI struct to represent a bare minimum PMT without descriptors for time and location.
 	standardPmt = psi.PSI{
 		Pf:  0x00,
 		Tid: 0x02,
@@ -125,8 +125,7 @@ const (
 	psiSendCount  = 7
 )
 
-// TimeLocation can hold time and location data for the insertion into mpegts
-// packets.
+// timeLocation holds time and location data
 type timeLocation struct {
 	sync.RWMutex
 	time     uint64