core: fixed stale comment in txlist (ethereum#23825)

core/tx_list.go

@@ -295,9 +295,9 @@ func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Tran
  thresholdFeeCap := aFeeCap.Div(aFeeCap, b)
  thresholdTip := aTip.Div(aTip, b)
 
- // Have to ensure that either the new fee cap or tip is higher than the
+ // We have to ensure that both the new fee cap and tip are higher than the
  // old ones as well as checking the percentage threshold to ensure that
- // this is accurate for low (Wei-level) gas price replacements
+ // this is accurate for low (Wei-level) gas price replacements.
  if tx.GasFeeCapIntCmp(thresholdFeeCap) < 0 || tx.GasTipCapIntCmp(thresholdTip) < 0 {
  return false, nil
  }