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+SPDX-FileCopyrightText: 2018 - 2025 Slavi Pantaleev
+SPDX-FileCopyrightText: 2018 - 2024 MDAD project contributors
+SPDX-FileCopyrightText: 2020 Sabine Laszakovits
+SPDX-FileCopyrightText: 2021 Cody Neiman
+SPDX-FileCopyrightText: 2021 Matthew Cengia
+SPDX-FileCopyrightText: 2021 Toni Spets
+SPDX-FileCopyrightText: 2022 Julian Foad
+SPDX-FileCopyrightText: 2022 Julian-Samuel Gebühr
+SPDX-FileCopyrightText: 2022 Vladimir Panteleev
+SPDX-FileCopyrightText: 2023 Shreyas Ajjarapu
+SPDX-FileCopyrightText: 2024 - 2025 Suguru Hirahara
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+SPDX-License-Identifier: AGPL-3.0-or-later
+-->
+
 # Configuring the playbook
 
 <sup>[Prerequisites](prerequisites.md) > [Configuring your DNS settings](configuring-dns.md) > [Getting the playbook](getting-the-playbook.md) > Configuring the playbook > [Installing](installing.md)</sup>