diff --git a/libc/kernel/common/linux/errqueue.h b/libc/kernel/common/linux/errqueue.h
index 03b2e42..45744fa 100644
--- a/libc/kernel/common/linux/errqueue.h
+++ b/libc/kernel/common/linux/errqueue.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_ERRQUEUE_H
 #define _LINUX_ERRQUEUE_H 1
-
 struct sock_extended_err
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ee_errno;
  __u8 ee_origin;
  __u8 ee_type;
  __u8 ee_code;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 ee_pad;
  __u32 ee_info;
  __u32 ee_data;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_EE_ORIGIN_NONE 0
 #define SO_EE_ORIGIN_LOCAL 1
 #define SO_EE_ORIGIN_ICMP 2
 #define SO_EE_ORIGIN_ICMP6 3
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
-
 #endif