Added comments for separator* consts.

internal/radio/icecast.go

@@ -20,8 +20,12 @@ const (
 	SongTimeFormat            = "2006 15:04-0700"
 
 	bufferSizePerLine = 512
-	separatorOne      = 26
-	separatorTwo      = 38 + 1
+	// Positions of first and second "|" separator on playlist.log line.
+	// The third one may float if amount of listeners will be >= 10.
+	separatorOne = 26
+	// +1 added to a second one just because it is used only at a start pos of
+	// a listeners' field, so there's no need to increment it every time.
+	separatorTwo = 38 + 1
 )
 
 var (