Add SPDX tags

1 files changed, 3 insertions, 0 deletions

diff --git a/socket.go b/socket.go
index 941d5f0..d982812 100644
--- a/socket.go
+++ b/socket.go
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: © 2021 Grégoire Duchêne <gduchene@awhk.org>
+// SPDX-License-Identifier: ISC
+
 // Package gosdd provides simple wrappers around useful functions
 // provided by systemd.
 //