alternia & one year older track section descriptions

Author: towerofnix

album/alternia.yaml

@@ -608,6 +608,8 @@ Commentary: |-
     <img src="media/misc/skaian-summoning.png" width="300">
 ---
 Section: Bonus tracks
+Description: >-
+    [[track:the-thirteenth-hour]], [[track:theme]], and [[track:walls-covered-in-blood-dx]] were "super-secret hidden bonus tracks" on Bandcamp. The remaining bonus tracks were listenable online.
 ---
 Track: The Thirteenth Hour
 Duration: '2:10'

album/one-year-older.yaml

@@ -591,6 +591,8 @@ Commentary: |-
     And of course, thanks for listening to this album, and supporting both me and the comic in whatever way you have.
 ---
 Section: 2019 release
+Description: >-
+    Hidden track, exclusive to the album download, included on the artist's personal-Bandcamp 2019 rerelease.
 ---
 Track: it's good to see you again
 Date First Released: October 29, 2019