diff --git a/example/basic.py b/example/basic.py
index 88f8220..5750861 100755
--- a/example/basic.py
+++ b/example/basic.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-Basic ``reverse_argparse`` functionality.
+"""Basic ``reverse_argparse`` functionality."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 from argparse import ArgumentParser
 
 from reverse_argparse import ReverseArgumentParser
diff --git a/example/default_values.py b/example/default_values.py
index 210bc0b..550994f 100755
--- a/example/default_values.py
+++ b/example/default_values.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-How ``reverse_argparse`` handles default values.
+"""How ``reverse_argparse`` handles default values."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 from argparse import ArgumentParser
 
 from reverse_argparse import ReverseArgumentParser
diff --git a/example/post_processing.py b/example/post_processing.py
index fe1282d..3d6ce64 100755
--- a/example/post_processing.py
+++ b/example/post_processing.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-How ``reverse_argparse`` handles post-processing of arguments.
+"""How ``reverse_argparse`` handles post-processing of arguments."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 import os
 from argparse import ArgumentParser
 
diff --git a/example/pretty_printing.py b/example/pretty_printing.py
index 132619c..3082c52 100755
--- a/example/pretty_printing.py
+++ b/example/pretty_printing.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-``reverse_argparse`` pretty-printing functionality.
+"""``reverse_argparse`` pretty-printing functionality."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 import os
 from argparse import ArgumentParser
 
diff --git a/example/relative_references.py b/example/relative_references.py
index 8406308..d00f1c8 100755
--- a/example/relative_references.py
+++ b/example/relative_references.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-How ``reverse_argparse`` handles relative references.
+"""How ``reverse_argparse`` handles relative references."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 import os
 from argparse import ArgumentParser
 
diff --git a/example/subparsers.py b/example/subparsers.py
index c4a666b..d811bc1 100755
--- a/example/subparsers.py
+++ b/example/subparsers.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-How ``reverse_argparse`` handles subparsers.
+"""How ``reverse_argparse`` handles subparsers."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 import os
 from argparse import ArgumentParser
 
diff --git a/example/test_examples.py b/example/test_examples.py
index 12b5177..d2c46dd 100755
--- a/example/test_examples.py
+++ b/example/test_examples.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
-"""
-Run all the examples and ensure their output is correct.
+"""Run all the examples and ensure their output is correct."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 import re
 import shlex
 import subprocess  # nosec B404
diff --git a/reverse_argparse/reverse_argparse.py b/reverse_argparse/reverse_argparse.py
index afa6d83..62f00dd 100644
--- a/reverse_argparse/reverse_argparse.py
+++ b/reverse_argparse/reverse_argparse.py
@@ -6,13 +6,13 @@
 that were already parsed via :mod:`argparse`, and the
 :func:`quote_arg_if_necessary` helper function to surround any arguments
 with spaces in them with quotes.
+"""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
+# SPDX-License-Identifier: BSD-3-Clause
 
 import re
 import sys
diff --git a/setup.py b/setup.py
index b232d96..1e683a0 100644
--- a/setup.py
+++ b/setup.py
@@ -3,13 +3,14 @@
 Setup file for the ``reverse_argparse`` package.
 
 To install, simply ``python3 -m pip install .`` in the repository root.
+"""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
+
+# SPDX-License-Identifier: BSD-3-Clause
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
 import setuptools
 
 if __name__ == "__main__":
diff --git a/test/__init__.py b/test/__init__.py
index 8754c11..fe0af36 100644
--- a/test/__init__.py
+++ b/test/__init__.py
@@ -4,10 +4,10 @@
 This ``__init__.py`` file creates the ``test`` package, such that tests
 can relative-import from modules in the sibling ``reverse_argparse``
 directory.
+"""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
+# SPDX-License-Identifier: BSD-3-Clause
diff --git a/test/test_reverse_argparse.py b/test/test_reverse_argparse.py
index 619eb7e..494fffd 100644
--- a/test/test_reverse_argparse.py
+++ b/test/test_reverse_argparse.py
@@ -1,13 +1,11 @@
 #!/usr/bin/env python3
-"""
-The unit test suite for the ``reverse_argparse`` package.
+"""The unit test suite for the ``reverse_argparse`` package."""
 
-© 2024 National Technology & Engineering Solutions of Sandia, LLC
-(NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
-Government retains certain rights in this software.
+# © 2024 National Technology & Engineering Solutions of Sandia, LLC
+# (NTESS).  Under the terms of Contract DE-NA0003525 with NTESS, the
+# U.S. Government retains certain rights in this software.
 
-SPDX-License-Identifier: BSD-3-Clause
-"""
+# SPDX-License-Identifier: BSD-3-Clause
 
 import shlex
 import sys