diff --git a/Documentation/code-of-conduct.rst b/Documentation/code-of-conduct.rst
index b7aa9b3879e3..856f7e7115c5 100644
--- a/Documentation/code-of-conduct.rst
+++ b/Documentation/code-of-conduct.rst
@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: CC-BY-4.0
 
 Contributor Covenant Code of Conduct
 ====================================
