diff --git a/man/NetworkManager-dispatcher.xml b/man/NetworkManager-dispatcher.xml
index e87226d05e..a8380991ab 100644
--- a/man/NetworkManager-dispatcher.xml
+++ b/man/NetworkManager-dispatcher.xml
@@ -7,22 +7,13 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   NetworkManager-dispatcher(8) manual page
 
   Copyright 2005 - 2016 Red Hat, Inc.
   Copyright 2005 - 2009 Novell, Inc.
   Copyright 2005 Robert Love
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id="NetworkManager-dispatcher">
diff --git a/man/NetworkManager-wait-online.service.xml b/man/NetworkManager-wait-online.service.xml
index 46068ea52f..4776002c86 100644
--- a/man/NetworkManager-wait-online.service.xml
+++ b/man/NetworkManager-wait-online.service.xml
@@ -7,18 +7,9 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   NetworkManager-wait-online.service(8) manual page
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id="NetworkManager-wait-online.service">
diff --git a/man/NetworkManager.conf.xml b/man/NetworkManager.conf.xml
index c795d295c7..3920717b85 100644
--- a/man/NetworkManager.conf.xml
+++ b/man/NetworkManager.conf.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   NetworkManager.conf(5) manual page
 
-  Copyright 2010 - 2016 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+  Copyright 2010 - 2023 Red Hat, Inc.
 -->
 
 <refentry id="NetworkManager.conf">
diff --git a/man/NetworkManager.xml b/man/NetworkManager.xml
index f0b0f33f6b..dd5cf1bd45 100644
--- a/man/NetworkManager.xml
+++ b/man/NetworkManager.xml
@@ -7,22 +7,13 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   NetworkManager(8) manual page
 
   Copyright 2005 - 2016 Red Hat, Inc.
   Copyright 2005 - 2009 Novell, Inc.
   Copyright 2005 Robert Love
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id="NetworkManager">
diff --git a/man/nm-cloud-setup.xml b/man/nm-cloud-setup.xml
index 74ec040025..d0e14b4fae 100644
--- a/man/nm-cloud-setup.xml
+++ b/man/nm-cloud-setup.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nm-cloud-setup(8) manual page
 
   Copyright 2020 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id="nm-cloud-setup">
diff --git a/man/nm-initrd-generator.xml b/man/nm-initrd-generator.xml
index 1905b7b665..336d7f0365 100644
--- a/man/nm-initrd-generator.xml
+++ b/man/nm-initrd-generator.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nm-initrd-generator(8) manual page
 
   Copyright 2018 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id='nm-initrd-generator'>
diff --git a/man/nm-online.xml b/man/nm-online.xml
index 87672f749b..e9deb83e94 100644
--- a/man/nm-online.xml
+++ b/man/nm-online.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nm-online(1) manual page
 
   Copyright 2010 - 2016 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id='nm-online'>
diff --git a/man/nm-openvswitch.xml b/man/nm-openvswitch.xml
index 52ecf96b7d..ccf2846383 100644
--- a/man/nm-openvswitch.xml
+++ b/man/nm-openvswitch.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nm-openvswitch(7) manual page
 
   Copyright 2017 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id="nm-openvswitch">
diff --git a/man/nmcli-examples.xml b/man/nmcli-examples.xml
index 1fd7b76675..ab7bd5494f 100644
--- a/man/nmcli-examples.xml
+++ b/man/nmcli-examples.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nmcli-examples(7) manual page
 
   Copyright 2005 - 2022 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id="nmcli-examples">
diff --git a/man/nmcli.xml b/man/nmcli.xml
index 9bda9db0af..6b3054c3d7 100644
--- a/man/nmcli.xml
+++ b/man/nmcli.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nmcli(1) manual page
 
   Copyright 2010 - 2022 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id='nmcli'>
diff --git a/man/nmtui.xml b/man/nmtui.xml
index 8bf6dd58b2..f610be9d08 100644
--- a/man/nmtui.xml
+++ b/man/nmtui.xml
@@ -7,20 +7,11 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
   nmtui(1) manual page
 
   Copyright 2010 - 2016 Red Hat, Inc.
-
-  Permission is granted to copy, distribute and/or modify this document
-  under the terms of the GNU Free Documentation License, Version 1.1
-  or any later version published by the Free Software Foundation;
-  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
-  Texts. You may obtain a copy of the GNU Free Documentation License
-  from the Free Software Foundation by visiting their Web site or by
-  writing to:
-
-  Free Software Foundation, Inc.,
-  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 -->
 
 <refentry id='nmtui'>