diff --git a/keyboards/treasure/type30/hotswap/keymaps/default/keymap.c b/keyboards/treasure/type30/hotswap/keymaps/default/keymap.c
index 2d3d3f79a66..f31ef7190f2 100644
--- a/keyboards/treasure/type30/hotswap/keymaps/default/keymap.c
+++ b/keyboards/treasure/type30/hotswap/keymaps/default/keymap.c
@@ -1,3 +1,8 @@
+/* Copyright 2025 Treasure
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include QMK_KEYBOARD_H
 
 // define combo names
@@ -93,4 +98,4 @@ void process_combo_event(uint16_t combo_index, bool pressed) {
             }
             break;
     }
-}
\ No newline at end of file
+}