diff --git a/app/src/main/kotlin/com/subtracks/data/sync/Id3v1Genres.kt b/app/src/main/kotlin/com/subtracks/data/sync/Id3v1Genres.kt
index c664b01d..3fe262bf 100644
--- a/app/src/main/kotlin/com/subtracks/data/sync/Id3v1Genres.kt
+++ b/app/src/main/kotlin/com/subtracks/data/sync/Id3v1Genres.kt
@@ -11,6 +11,8 @@ internal fun id3v1Genre(value: String): String? {
     return ID3V1_GENRES.getOrNull(code)
 }
 
+// Fixed ID3v1/Winamp tag names, stored as genre metadata. Identifiers rather than UI copy, so they
+// stay untranslated.
 private val ID3V1_GENRES =
     listOf(
         "Blues",