From b4ea69b945c220abe192cd4f3606e51954872695 Mon Sep 17 00:00:00 2001
From: Aleksey Sulzhenko <redlex@live.ru>
Date: Sun, 19 Sep 2021 13:27:37 +0300
Subject: [PATCH] Add comment with source

---
 mp4.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mp4.go b/mp4.go
index 8d89693..3fe76da 100644
--- a/mp4.go
+++ b/mp4.go
@@ -47,6 +47,7 @@ var atoms = atomNames(map[string]string{
 	"disk":    "disc",
 })
 
+// Source: https://exiftool.org/TagNames/QuickTime.html
 var genreIDValues = map[int]string{
 	2:        "Blues",
 	3:        "Comedy",