Add comment for fee-bump tx

cmd/soroban-rpc/internal/methods/get_transactions.go

@@ -58,7 +58,8 @@ func (req GetTransactionsRequest) isValid(maxLimit uint, ledgerRange ledgerbucke
 type TransactionInfo struct {
 	// Status is one of: TransactionSuccess, TransactionFailed.
 	Status string `json:"status"`
-	// TransactionHash is the hex encoded hash of the transaction.
+	// TransactionHash is the hex encoded hash of the transaction. Note that for fee-bump transaction
+	// this will be the hash of the fee-bump transaction instead of the inner transaction hash.
 	TransactionHash string `json:"txHash"`
 	// ApplicationOrder is the index of the transaction among all the transactions
 	// for that ledger.