3 files changed, 6 insertions, 0 deletions
diff --git a/src/copyjit.c b/src/copyjit.c
index e76bb99..f1cf62c 100644
--- a/src/copyjit.c
+++ b/src/copyjit.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: copyleft-next-0.3.1 */
+
 #include <string.h>
 #include <stdint.h>
 #include <stdlib.h>
diff --git a/src/copyjit.h b/src/copyjit.h
index 8582217..69c34cb 100644
--- a/src/copyjit.h
+++ b/src/copyjit.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: copyleft-next-0.3.1 */
+
 #ifndef HMMJIT_H
 #define HMMJIT_H
 
diff --git a/src/main.c b/src/main.c
index be93061..c0e757f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: copyleft-next-0.3.1 */
+
 #include <stdint.h>
 #include <stddef.h>