'String cannot be converted to boolean'

Hey there, sorry for the bother.

I am overlooking either a closing bracket or mistyped something here that I cannot for the life of me find, that is giving me the error message:

./Prompter.java:12: error: incompatible types: String cannot be converted to boolean
String guessAsString = console.readline("Enter a letter: ");
^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error

Hangman.java:

public class Hangman {

public static void main(String[] args) {
    // Enter amazing code here:
  Game game = new Game("treehouse");
  Prompter prompter = new Prompter(game);
  boolean isHit = prompter.promptForGuess();
  if (isHit) {
    System.out.println("We got a hit!");
  } else {
    System.out.println("Whoops that was a miss");
  }
}

}

Prompter.java:

import java.io.Console;

public class Prompter { private Game mGame;

public Prompter(Game game) { mGame = game; }

public boolean promptForGuess() { Console console = System.console(); String guessAsString = console.readline("Enter a letter: "); char guess = guessAsString.charAt(0); return mGame.applyGuess(guess); } }

If anyone can point it out to me, I would much appreciate it!