diff --git a/src/assembler.rs b/src/assembler.rs
index 52c4892..937e763 100644
--- a/src/assembler.rs
+++ b/src/assembler.rs
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright (c) 2024 Patrick_Pluto
+
 use regex::Regex;
 use std::{collections::HashMap, str::FromStr};