diff --git a/libc/kernel/common/linux/node.h b/libc/kernel/common/linux/node.h
index b33bffc..9cc8cb4 100644
--- a/libc/kernel/common/linux/node.h
+++ b/libc/kernel/common/linux/node.h
@@ -7,17 +7,23 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _LINUX_NODE_H_
 #define _LINUX_NODE_H_
-
 #include <linux/sysdev.h>
 #include <linux/cpumask.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct node {
  struct sys_device sysdev;
 };
-
 #define to_node(sys_device) container_of(sys_device, struct node, sysdev)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif