@staticmethod
def fillEmptyTitles(chapters):
    """Add text in place of empty titles
        If a chapter doesn't have a title, this will add a basic
        string in the form "Chapter `index+1`"
        
        Args:
            chapters(list<dict>): The list of parsed chapters

        """
    index = 0
    for chapter in chapters:
        if not chapter['title']:
            chapter['title'] = 'Chapter ' + str(index)
        index += 1
