diff --git a/poky/meta/lib/oe/terminal.py b/poky/meta/lib/oe/terminal.py
index e404555..9bda3ef 100644
--- a/poky/meta/lib/oe/terminal.py
+++ b/poky/meta/lib/oe/terminal.py
@@ -1,3 +1,6 @@
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 import logging
 import oe.classutils
 import shlex