def add_content_below(text: str, path: str, line=3) -> bool:
    """Add additional content (like binder button) to existing rst file

    :param text: Text that will be added inside rst file
    :type text: str
    :param path: Path to modified file
    :type path: str
    :param line: Line number that content will be added. Defaults to 3.
    :type line: int
    :returns: Informs about success or failure in modifying file
    :rtype: bool

    """
    try:
        with open(path, "r+", encoding="utf-8") as file:
            current_file = file.readlines()
            current_file[line:line] = text
            file.seek(0)
            file.writelines(current_file)
            return True
    except FileNotFoundError:
        return False