The woman said to him: "I know that the Messiah is coming (who is called the Christ). And then, when he will have arrived, he will announce everything to us.
Other versions
King James Version
The woman saith unto him, I know that Messias cometh, which is called Christ: when he is come, he will tell us all things.English Standard Version
The woman said to him, "I know that Messiah is coming (he who is called Christ). When he comes, he will tell us all things."New International Version
The woman said, "I know that Messiah" (called Christ) "is coming. When he comes, he will explain everything to us."