diff --git a/libc/kernel/common/linux/smb.h b/libc/kernel/common/linux/smb.h
index 72c8967..68ec88b 100644
--- a/libc/kernel/common/linux/smb.h
+++ b/libc/kernel/common/linux/smb.h
@@ -7,55 +7,60 @@
  ***   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_SMB_H
 #define _LINUX_SMB_H
-
 #include <linux/types.h>
-
 enum smb_protocol {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  SMB_PROTOCOL_NONE,
  SMB_PROTOCOL_CORE,
  SMB_PROTOCOL_COREPLUS,
  SMB_PROTOCOL_LANMAN1,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  SMB_PROTOCOL_LANMAN2,
  SMB_PROTOCOL_NT1
 };
-
 enum smb_case_hndl {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  SMB_CASE_DEFAULT,
  SMB_CASE_LOWER,
  SMB_CASE_UPPER
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct smb_dskattr {
  __u16 total;
  __u16 allocblocks;
  __u16 blocksize;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 free;
 };
-
 struct smb_conn_opt {
-
  unsigned int fd;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  enum smb_protocol protocol;
  enum smb_case_hndl case_handling;
-
  __u32 max_xmit;
  __u16 server_uid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 tid;
-
  __u16 secmode;
  __u16 maxmux;
  __u16 maxvcs;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 rawmode;
  __u32 sesskey;
-
  __u32 maxraw;
  __u32 capabilities;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __s16 serverzone;
 };
-
 #endif