diff --git a/src/store.c b/src/store.c
index f2c43c2..5d07272 100644
--- a/src/store.c
+++ b/src/store.c
@@ -1,3 +1,7 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-FileCopyrightText: 2024-2025 Shaochang Tan
+// SPDX-FileCopyrightText: 2024-2025 Jason André Charles Gantner
+
 #include "wdisplays.h"
 #include <ctype.h>
 #include <limits.h>
diff --git a/src/wdisplays.h b/src/wdisplays.h
index 8dfef68..e20a609 100644
--- a/src/wdisplays.h
+++ b/src/wdisplays.h
@@ -341,6 +341,9 @@ void wd_redraw_overlay(struct wd_output *output);
  */
 void wd_destroy_overlay(struct wd_output *output);
 
+// SPDX-SnippetBegin
+// SPDX-License-Identifier: MIT
+// SPDX-SnippetCopyrightText: 2024-2025 Jason André Charles Gantner
 /*
  * Locate kanshi config
  */
@@ -355,5 +358,5 @@ char *wd_get_kanshi_config();
  * Updates kanshi config
  */
 int wd_store_config(struct wl_list *outputs);
-
+// SPDX-SnippetEnd
 #endif