def METHOD_NAME(filename):
    """Given a POT filename, adjust some of the header comments if necessary."""
    current_year = datetime.datetime.now().year
    replacements = [
        (
            re.compile(r"^# SOME DESCRIPTIVE TITLE.$", flags=re.MULTILINE),
            "# Translations template for kitsune.",
        ),
        (
            re.compile(r"^# Copyright \(C\) YEAR Mozilla$", flags=re.MULTILINE),
            f"# Copyright (C) {current_year} Mozilla",
        ),
        (
            re.compile(
                (
                    r"^# This file is distributed under the same license as the "
                    r"kitsune (package|project).$"
                ),
                flags=re.MULTILINE,
            ),
            (
                "# This file is distributed under the license specified at "
                "https://github.com/mozilla-l10n/sumo-l10n."
            ),
        ),
        (
            re.compile(r"^# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.$", flags=re.MULTILINE),
            f"# FIRST AUTHOR <EMAIL@ADDRESS>, {current_year}.",
        ),
    ]
    pot_file = Path(filename)
    text = pot_file.read_text()
    for regex, replacement in replacements:
        text = regex.sub(replacement, text, count=1)
    pot_file.write_text(text)