diff --git a/banner b/banner
index 9a17450a..0a04e62a 100644
--- a/banner
+++ b/banner
@@ -3,4 +3,4 @@
     "| |/ /___ _ __ _ __   ___| |  _ \\ __ _| |_ ___| |__  \n"    \
     "| ' // _ \\ '__| '_ \\ / _ \\ | |_) / _` | __/ __| '_ \\ \n" \
     "| . \\  __/ |  | | | |  __/ |  __/ (_| | || (__| | | |\n"    \
-    "|_|\\_\\___|_|  |_| |_|\\___|_|_|   \\__,_|\\__\\___|_| |_|\n"
\ No newline at end of file
+    "|_|\\_\\___|_|  |_| |_|\\___|_|_|   \\__,_|\\__\\___|_| |_|\n"
diff --git a/kpm-demo/hello/hello.c b/kpm-demo/hello/hello.c
index e491eef8..59eaaae5 100644
--- a/kpm-demo/hello/hello.c
+++ b/kpm-demo/hello/hello.c
@@ -1,3 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* 
+ * Copyright (C) 2023 bmax121. All Rights Reserved.
+ */
+
 #include <compiler.h>
 #include <kpmodule.h>
 #include <linux/printk.h>
diff --git a/kpm-demo/inlinehook/inlinehook.c b/kpm-demo/inlinehook/inlinehook.c
index 209e65bb..5b461857 100644
--- a/kpm-demo/inlinehook/inlinehook.c
+++ b/kpm-demo/inlinehook/inlinehook.c
@@ -1,3 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* 
+ * Copyright (C) 2023 bmax121. All Rights Reserved.
+ */
+
 #include <log.h>
 #include <compiler.h>
 #include <kpmodule.h>
diff --git a/kpm-demo/syscallhook/syscallhook.c b/kpm-demo/syscallhook/syscallhook.c
index 68a63a57..f8fe0b10 100644
--- a/kpm-demo/syscallhook/syscallhook.c
+++ b/kpm-demo/syscallhook/syscallhook.c
@@ -1,3 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* 
+ * Copyright (C) 2023 bmax121. All Rights Reserved.
+ */
+
 #include <compiler.h>
 #include <kpmodule.h>
 #include <linux/printk.h>