1 files changed, 2 insertions, 0 deletions

diff --git a/sid.ml b/sid.ml
index ece361d..430393d 100644
--- a/sid.ml
+++ b/sid.ml
@@ -1,3 +1,5 @@
+(* SPDX-License-Identifier: LGPL-3.0-only *)
+
 module U64 = Stdint.Uint64
 module U32 = Stdint.Uint32