message: refactor: fix comment
diff: @@ -32,7 +32,7 @@ impl<T: Letter<T>> Insertion<T> {
  pub type NucIns = Insertion<Nuc>;
  -/// Order amino acid insertions by gene, position, then length
  +/// Order nuc insertions by position, then length
  impl<T: Letter<T>> Ord for Insertion<T> {
  fn cmp(&self, other: &Self) -> Ordering {
  (self.pos, self.ins.len()).cmp(&(other.pos, other.ins.len()))
  