diff --git a/tools/power/acpi/man/acpidump.8 b/tools/power/acpi/man/acpidump.8
index 79e2d1d435d1..31513ea4bc6b 100644
--- a/tools/power/acpi/man/acpidump.8
+++ b/tools/power/acpi/man/acpidump.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH ACPIDUMP 8
 .SH NAME
 acpidump \- dump a system's ACPI tables to an ASCII file
diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1
index 6aa8d239dff9..e3f46215c3b6 100644
--- a/tools/power/cpupower/man/cpupower-frequency-info.1
+++ b/tools/power/cpupower/man/cpupower-frequency-info.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH "CPUPOWER\-FREQUENCY\-INFO" "1" "0.1" "" "cpupower Manual"
 .SH "NAME"
 .LP 
diff --git a/tools/power/cpupower/man/cpupower-frequency-set.1 b/tools/power/cpupower/man/cpupower-frequency-set.1
index b50570221a5b..f6b4619e7ef6 100644
--- a/tools/power/cpupower/man/cpupower-frequency-set.1
+++ b/tools/power/cpupower/man/cpupower-frequency-set.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH "CPUPOWER\-FREQUENCY\-SET" "1" "0.1" "" "cpupower Manual"
 .SH "NAME"
 .LP 
diff --git a/tools/power/cpupower/man/cpupower-idle-info.1 b/tools/power/cpupower/man/cpupower-idle-info.1
index 80a1311fa747..d05728573bd9 100644
--- a/tools/power/cpupower/man/cpupower-idle-info.1
+++ b/tools/power/cpupower/man/cpupower-idle-info.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH "CPUPOWER-IDLE-INFO" "1" "0.1" "" "cpupower Manual"
 .SH "NAME"
 .LP
diff --git a/tools/power/cpupower/man/cpupower-idle-set.1 b/tools/power/cpupower/man/cpupower-idle-set.1
index 21916cff7516..746322ea9b3e 100644
--- a/tools/power/cpupower/man/cpupower-idle-set.1
+++ b/tools/power/cpupower/man/cpupower-idle-set.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH "CPUPOWER-IDLE-SET" "1" "0.1" "" "cpupower Manual"
 .SH "NAME"
 .LP
diff --git a/tools/power/cpupower/man/cpupower-info.1 b/tools/power/cpupower/man/cpupower-info.1
index 340bcd0be7de..d77b34bcf1f3 100644
--- a/tools/power/cpupower/man/cpupower-info.1
+++ b/tools/power/cpupower/man/cpupower-info.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH CPUPOWER\-INFO "1" "22/02/2011" "" "cpupower Manual"
 .SH NAME
 cpupower\-info \- Shows processor power related kernel or hardware configurations
diff --git a/tools/power/cpupower/man/cpupower-monitor.1 b/tools/power/cpupower/man/cpupower-monitor.1
index 70a56476f4b0..4027cf424ea0 100644
--- a/tools/power/cpupower/man/cpupower-monitor.1
+++ b/tools/power/cpupower/man/cpupower-monitor.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH CPUPOWER\-MONITOR "1" "22/02/2011" "" "cpupower Manual"
 .SH NAME
 cpupower\-monitor \- Report processor frequency and idle statistics
diff --git a/tools/power/cpupower/man/cpupower-set.1 b/tools/power/cpupower/man/cpupower-set.1
index 2bcc696f4496..77dec3ec4c10 100644
--- a/tools/power/cpupower/man/cpupower-set.1
+++ b/tools/power/cpupower/man/cpupower-set.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
 .SH NAME
 cpupower\-set \- Set processor power related kernel or hardware configurations
diff --git a/tools/power/cpupower/man/cpupower.1 b/tools/power/cpupower/man/cpupower.1
index baf741d06e82..0a8b08a1fd90 100644
--- a/tools/power/cpupower/man/cpupower.1
+++ b/tools/power/cpupower/man/cpupower.1
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH CPUPOWER "1" "07/03/2011" "" "cpupower Manual"
 .SH NAME
 cpupower \- Shows and sets processor power related values
diff --git a/tools/power/pm-graph/bootgraph.8 b/tools/power/pm-graph/bootgraph.8
index 64d513f80a2a..4a8981356e1a 100644
--- a/tools/power/pm-graph/bootgraph.8
+++ b/tools/power/pm-graph/bootgraph.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH BOOTGRAPH 8
 .SH NAME
 bootgraph \- Kernel boot timing analysis
diff --git a/tools/power/pm-graph/sleepgraph.8 b/tools/power/pm-graph/sleepgraph.8
index 43aee64316df..ce456d1b7da9 100644
--- a/tools/power/pm-graph/sleepgraph.8
+++ b/tools/power/pm-graph/sleepgraph.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH SLEEPGRAPH 8
 .SH NAME
 sleepgraph \- Suspend/Resume timing analysis
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index a6db83a88e85..48ac735526df 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH TURBOSTAT 8
 .SH NAME
 turbostat \- Report processor frequency and idle statistics
diff --git a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.8 b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.8
index 78c6361898b1..e702d2117062 100644
--- a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.8
+++ b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .\"  This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
 .\"  Distributed under the GPL, Copyleft 1994.
 .TH X86_ENERGY_PERF_POLICY 8
diff --git a/tools/thermal/tmon/tmon.8 b/tools/thermal/tmon/tmon.8
index 2f122de5841b..cffaa0d65478 100644
--- a/tools/thermal/tmon/tmon.8
+++ b/tools/thermal/tmon/tmon.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH TMON 8
 # SPDX-License-Identifier: GPL-2.0
 .SH NAME
diff --git a/tools/usb/usbip/doc/usbip.8 b/tools/usb/usbip/doc/usbip.8
index a6097be25d28..7430d80d5f66 100644
--- a/tools/usb/usbip/doc/usbip.8
+++ b/tools/usb/usbip/doc/usbip.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH USBIP "8" "February 2009" "usbip" "System Administration Utilities"
 .SH NAME
 usbip \- manage USB/IP devices
diff --git a/tools/usb/usbip/doc/usbipd.8 b/tools/usb/usbip/doc/usbipd.8
index ac4635db3f03..5f2f4e2d0c9b 100644
--- a/tools/usb/usbip/doc/usbipd.8
+++ b/tools/usb/usbip/doc/usbipd.8
@@ -1,3 +1,4 @@
+.\" SPDX-License-Identifier: GPL-2.0-only
 .TH USBIP "8" "February 2009" "usbip" "System Administration Utilities"
 .SH NAME
 usbipd \- USB/IP server daemon
