2 files changed, 4 insertions, 0 deletions
diff --git a/DCO b/DCO
index 8201f99..75e56dd 100644
--- a/DCO
+++ b/DCO
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LicenseRef-DCO
+
 Developer Certificate of Origin
 Version 1.1
 
diff --git a/LICENSES/LicenseRef-DCO.txt b/LICENSES/LicenseRef-DCO.txt
new file mode 100644
index 0000000..b5b12d7
--- /dev/null
+++ b/LICENSES/LicenseRef-DCO.txt
@@ -0,0 +1,2 @@
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.