diff --git a/libc/kernel/common/linux/a1026.h b/libc/kernel/common/linux/a1026.h
index 2bf6190..1e5ce1b 100644
--- a/libc/kernel/common/linux/a1026.h
+++ b/libc/kernel/common/linux/a1026.h
@@ -7,61 +7,70 @@
  ***   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_A1026_H
 #define __LINUX_A1026_H
-
 #include <linux/ioctl.h>
-
 #define A1026_MAX_FW_SIZE (32*1024)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct a1026img {
  unsigned char *buf;
  unsigned img_size;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum A1026_PathID {
  A1026_PATH_SUSPEND,
  A1026_PATH_INCALL_RECEIVER,
  A1026_PATH_INCALL_HEADSET,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  A1026_PATH_INCALL_SPEAKER,
  A1026_PATH_INCALL_BT,
  A1026_PATH_VR_NO_NS_RECEIVER,
  A1026_PATH_VR_NO_NS_HEADSET,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  A1026_PATH_VR_NO_NS_SPEAKER,
  A1026_PATH_VR_NO_NS_BT,
  A1026_PATH_VR_NS_RECEIVER,
  A1026_PATH_VR_NS_HEADSET,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  A1026_PATH_VR_NS_SPEAKER,
  A1026_PATH_VR_NS_BT,
  A1026_PATH_RECORD_RECEIVER,
  A1026_PATH_RECORD_HEADSET,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  A1026_PATH_RECORD_SPEAKER,
  A1026_PATH_RECORD_BT,
  A1026_PATH_CAMCORDER,
  A1026_PATH_INCALL_TTY
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 enum A1026_NS_states {
  A1026_NS_STATE_AUTO,
  A1026_NS_STATE_OFF,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  A1026_NS_STATE_CT,
  A1026_NS_STATE_FT,
  A1026_NS_NUM_STATES
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define A1026_IOCTL_MAGIC 'u'
-
 #define A1026_BOOTUP_INIT _IOW(A1026_IOCTL_MAGIC, 0x01, struct a1026img *)
 #define A1026_SET_CONFIG _IOW(A1026_IOCTL_MAGIC, 0x02, enum A1026_PathID)
 #define A1026_SET_NS_STATE _IOW(A1026_IOCTL_MAGIC, 0x03, enum A1026_NS_states)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define A1026_SET_MIC_ONOFF _IOW(A1026_IOCTL_MAGIC, 0x50, unsigned)
 #define A1026_SET_MICSEL_ONOFF _IOW(A1026_IOCTL_MAGIC, 0x51, unsigned)
 #define A1026_READ_DATA _IOR(A1026_IOCTL_MAGIC, 0x52, unsigned)
 #define A1026_WRITE_MSG _IOW(A1026_IOCTL_MAGIC, 0x53, unsigned)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define A1026_SYNC_CMD _IO(A1026_IOCTL_MAGIC, 0x54)
 #define A1026_SET_CMD_FILE _IOW(A1026_IOCTL_MAGIC, 0x55, unsigned)
-
 #endif
-