Update comments and copyright headers

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

roles/custom/matrix-bridge-matrixzulipbridge/defaults/main.yml

@@ -4,12 +4,12 @@
 # SPDX-FileCopyrightText: 2022 MDAD project contributors
 # SPDX-FileCopyrightText: 2022 Marko Weltzer
 # SPDX-FileCopyrightText: 2023 Samuel Meenzen
-# SPDX-FileCopyrightText: 2024 Suguru Hirahara
+# SPDX-FileCopyrightText: 2024 - 2025 Suguru Hirahara
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 ---
-# MatrixZulipBridge is a bouncer-style Matrix IRC bridge
+# MatrixZulipBridge is a puppeting appservice bridge for Zulip
 # Project source code URL: https://github.com/GearKite/MatrixZulipBridge
 
 matrix_matrixzulipbridge_enabled: true

roles/custom/matrix-bridge-matrixzulipbridge/templates/systemd/matrix-matrixzulipbridge.service.j2

@@ -1,12 +1,13 @@
 {#
 SPDX-FileCopyrightText: 2021 Toni Spets
 SPDX-FileCopyrightText: 2022 - 2025 Slavi Pantaleev
+SPDX-FileCopyrightText: 2025 Suguru Hirahara
 
 SPDX-License-Identifier: AGPL-3.0-or-later
 #}
 
 [Unit]
-Description=a bouncer-style Matrix IRC bridge
+Description=a puppeting appservice bridge for Zulip
 {% for service in matrix_matrixzulipbridge_systemd_required_services_list %}
 Requires={{ service }}
 After={{ service }}