diff --git a/doc/common_metadata.md b/doc/common_metadata.md
index db8bcc207..9ca7fb4bd 100644
--- a/doc/common_metadata.md
+++ b/doc/common_metadata.md
@@ -68,7 +68,7 @@ The tag mapping is strongly inspired on the [MusicBrainz Picard tag-mapping](htt
 | encodersettings            | 1 | Encoder Settings                                                                                                                                                                               |         | TSS          | TSSE                                                                              | TSSE                                                                              |                                                         | ENCODERSETTINGS                                  | ENCODERSETTINGS                     | WM/EncodingSettings               |            |                            |
 | gapless                    | 1 | Gapless album indicator ([MP4](http://help.mp3tag.de/main_tags.html))                                                                                                                          |         | COM:ITUNPGAP |                                                                                   |                                                                                   | PGAP                                                    |                                                  |                                     |                                   |            |                            |
 | barcode                    | 1 | [Release barcode](https://musicbrainz.org/doc/Barcode).                                                                                                                                        |         |              | TXXX:BARCODE                                                                      | TXXX:BARCODE                                                                      | ----:COM.APPLE.ITUNES:BARCODE                           | BARCODE                                          | BARCODE                             | WM/Barcode                        |            |                            |
-| isrc                       | * | [ISRC](https://musicbrainz.org/doc/ISRC)                                                                                                                                                       |         |              | TSRC                                                                              | TSRC                                                                              | ----:COM.APPLE.ITUNES:ISRC                              | ISRC                                             | ISRC                                | WM/ISRC                           |            |                            |
+| isrc                       | * | [ISRC](https://musicbrainz.org/doc/ISRC)                                                                                                                                                       |         |              | TXXX:ISRC, TSRC                                                                   | TXXX:ISRC, TSRC                                                                   | ----:COM.APPLE.ITUNES:ISRC                              | ISRC                                             | ISRC                                | WM/ISRC                           |            |                            |
 | asin                       | 1 | [Amazon Standard Identification Number (ASIN)](https://musicbrainz.org/doc/ASIN)                                                                                                               |         |              | TXXX:ASIN                                                                         | TXXX:ASIN                                                                         | ----:COM.APPLE.ITUNES:ASIN                              | ASIN                                             | ASIN                                | ASIN                              |            |                            |
 | musicbrainz_recordingid    | 1 | Release [recording](https://musicbrainz.org/doc/Recording) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier)                                                                          |         |              | UFID:HTTP://MUSICBRAINZ.ORG                                                       | UFID:HTTP://MUSICBRAINZ.ORG                                                       | ----:COM.APPLE.ITUNES:MUSICBRAINZ TRACK ID              | MUSICBRAINZ_TRACKID                              | MUSICBRAINZ_TRACKID                 | MusicBrainz/Track Id              |            | TRACK:MUSICBRAINZ_TRACKID  |
 | musicbrainz_trackid        | 1 | Release track [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier)                                                                                                                       |         |              | TXXX:MUSICBRAINZ RELEASE TRACK ID                                                 | TXXX:MUSICBRAINZ RELEASE TRACK ID                                                 | ----:COM.APPLE.ITUNES:MUSICBRAINZ RELEASE TRACK ID      | MUSICBRAINZ_RELEASETRACKID                       | MUSICBRAINZ_RELEASETRACKID          | MusicBrainz/Release Track Id      |            |                            |