text: import React from 'react';
  import PropTypes from 'prop-types';
  
  const Title = ({ documentTitle }) => (
    <div className="title">
      {documentTitle}
    </div>
  );
  
  Title.propTypes = {
    setDocumentTitle: PropTypes.func.isRequired,
    documentTitle: PropTypes.string.isRequired
  };
  
  export default Title;
  