1 files changed, 2 insertions, 0 deletions

diff --git a/common.py b/common.py
index ef146c0..3b106b6 100644
--- a/common.py
+++ b/common.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+
 import typing
 
 ByteIterable = typing.Iterable[bytes]