acounts/usbwallet: fix typo (ethereum#28815)

acounts:fix typo

accounts/usbwallet/ledger.go

@@ -279,7 +279,7 @@ func (w *ledgerDriver) ledgerDerive(derivationPath []uint32) (common.Address, er
 	}
 	hexstr := reply[1 : 1+int(reply[0])]
 
-	// Decode the hex sting into an Ethereum address and return
+	// Decode the hex string into an Ethereum address and return
 	var address common.Address
 	if _, err = hex.Decode(address[:], hexstr); err != nil {
 		return common.Address{}, err