public String displayGameHelp(HelpType command) throws Connect4Exception {
        String helpText = "";
        switch (command) {
            case INSTRUCTIONS:
            case ONE_PERSON_GAME:
            case TWO_PERSON_GAME:
                helpText = command.displayGameHelp();
                break;
            default:
                throw new Connect4Exception(ErrorType.ERROR101.getMessage());
        }

        return helpText;
    }