core/txpool/legacypool: fix typo (#28258)

Author: hyunchel

core/txpool/legacypool/list.go

@@ -205,7 +205,7 @@ func (m *sortedMap) Remove(nonce uint64) bool {
 // removed from the list.
 //
 // Note, all transactions with nonces lower than start will also be returned to
-// prevent getting into and invalid state. This is not something that should ever
+// prevent getting into an invalid state. This is not something that should ever
 // happen but better to be self correcting than failing!
 func (m *sortedMap) Ready(start uint64) types.Transactions {
 	// Short circuit if no transactions are available
@@ -421,7 +421,7 @@ func (l *list) Remove(tx *types.Transaction) (bool, types.Transactions) {
 // removed from the list.
 //
 // Note, all transactions with nonces lower than start will also be returned to
-// prevent getting into and invalid state. This is not something that should ever
+// prevent getting into an invalid state. This is not something that should ever
 // happen but better to be self correcting than failing!
 func (l *list) Ready(start uint64) types.Transactions {
 	txs := l.txs.Ready(start)