diff --git a/libc/kernel/common/linux/statfs.h b/libc/kernel/common/linux/statfs.h
index 43a5d70..e108094 100644
--- a/libc/kernel/common/linux/statfs.h
+++ b/libc/kernel/common/linux/statfs.h
@@ -7,27 +7,34 @@
  ***   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_STATFS_H
 #define _LINUX_STATFS_H
-
 #include <linux/types.h>
-
 #include <asm/statfs.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct kstatfs {
  long f_type;
  long f_bsize;
  u64 f_blocks;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  u64 f_bfree;
  u64 f_bavail;
  u64 f_files;
  u64 f_ffree;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __kernel_fsid_t f_fsid;
  long f_namelen;
  long f_frsize;
  long f_spare[5];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #endif