diff --git a/one-rust/src/one/heroes.rs b/one-rust/src/one/heroes.rs
index 13adb27..aa86e82 100644
--- a/one-rust/src/one/heroes.rs
+++ b/one-rust/src/one/heroes.rs
@@ -12,6 +12,15 @@ const SIZE_OF_ENTRY: u32 = 3 * size_of::<u32>() as u32;
 const SIZE_OF_FILENAME: usize = 0x40;
 const TYPICAL_STRING_TABLE_COUNT: usize = 0x100;
 
+// stats on version
+// $ find . -name \*.one -exec bash -c "onear tf "{}" > "{}".txt" \;
+// $ fd one.txt | xargs cat | grep '^HerOne{' | sort | uniq -c
+//       3 HerOne{version: 0x1003ffff, ..}
+//     725 HerOne{version: 0x1400ffff, ..}
+
+// FIXME: coverOpen*_gc.one are missing the first entry (they start with the string table entry)
+//  solve this by factoring out a struct that's just { id, size, version } and Option<> it
+
 #[derive(BinRead, BinWrite)]
 #[br(little, assert(
     entries.iter().enumerate().all(|(i, ent)| ent.id as usize == i + 2 && ent.version == version) &&
@@ -27,7 +36,7 @@ pub struct HerOne {
     id_archive: u32,
     /// the size of the archive, not counting the "first entry" of these first three u32's
     archive_size_minus_12: u32,
-    /// presumably the archiver version. known values: 0x1400ffff from GCN version
+    /// presumably the archiver version. known values: 0x1400ffff and 0x1003ffff from GCN version
     version: u32,
     #[br(assert(id_string_table == 1))]
     /// 1. conceptually the ID of the (uncompressed) array of filenames, indexed by ID.