diff --git a/pkg/config/config.go b/pkg/config/config.go
index 7b2fbe7..68e8850 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -8,8 +8,7 @@ type HostConfiguration struct {
 	Port     int64
 }
 
-// ProxyConfig Contain original m3u playlist and HostConfiguration,
-// if track is not nil current track selected in playlist
+// ProxyConfig Contain original m3u playlist and HostConfiguration
 type ProxyConfig struct {
 	Playlist   *m3u.Playlist
 	HostConfig *HostConfiguration
diff --git a/pkg/m3u/m3u.go b/pkg/m3u/m3u.go
index 425ac62..ea53d7f 100644
--- a/pkg/m3u/m3u.go
+++ b/pkg/m3u/m3u.go
@@ -9,6 +9,7 @@ import (
 )
 
 // Marshall m3u.playlist struct to m3u file
+// And replace original track url by proxy url
 func Marshall(p *m3u.Playlist, config *config.HostConfiguration) (string, error) {
 	result := "#EXTM3U\n"
 	for _, track := range p.Tracks {