message: make comment less misleading
diff: @@ -189,7 +189,7 @@ fn input_account_verify(
  value: Value,
  witness: &Witness,
  ) -> Result<account::Ledger, Error> {
  - // check if there's enough value
  + // .remove_value() check if there's enough value and if not, returns a Err.
  let (new_ledger, spending_counter) = ledger.remove_value(account, value)?;
  ledger = new_ledger;
  