cmd/evm/internal/t8ntool: fix a typo (#29887)

* i8ntool: fix a typo

* cmd/evm/internal/t8ntool: fix typo typo

---------

Co-authored-by: Péter Szilágyi <peterke@gmail.com>

cmd/evm/internal/t8ntool/transition.go

@@ -217,7 +217,7 @@ func applyLondonChecks(env *stEnv, chainConfig *params.ChainConfig) error {
 		return nil
 	}
 	if env.ParentBaseFee == nil || env.Number == 0 {
-		return NewError(ErrorConfig, errors.New("EIP-1559 config but missing 'currentBaseFee' in env section"))
+		return NewError(ErrorConfig, errors.New("EIP-1559 config but missing 'parentBaseFee' in env section"))
 	}
 	env.BaseFee = eip1559.CalcBaseFee(chainConfig, &types.Header{
 		Number:   new(big.Int).SetUint64(env.Number - 1),