message: fix(account-lib): update dot feeOption jsdoc
  Ticket:
diff: @@ -72,7 +72,7 @@ export abstract class TransactionBuilder extends BaseTransactionBuilder {
  /**
  * The tip to increase transaction priority.
  *
  - * @param {number | undefined} tip optional
  + * @param {number | undefined} [fee.type] options for building fee tx
  * @returns {TransactionBuilder} This transaction builder.
  *
  * @see https://wiki.polkadot.network/docs/build-transaction-construction
  