diff --git a/libc/kernel/common/linux/capi.h b/libc/kernel/common/linux/capi.h
index 5591cf6..6ca9935 100644
--- a/libc/kernel/common/linux/capi.h
+++ b/libc/kernel/common/linux/capi.h
@@ -7,82 +7,83 @@
  ***   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_CAPI_H__
 #define __LINUX_CAPI_H__
-
 #include <asm/types.h>
 #include <linux/ioctl.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/kernelcapi.h>
-
 typedef struct capi_register_params {
  __u32 level3cnt;
  __u32 datablkcnt;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 datablklen;
 } capi_register_params;
-
 #define CAPI_REGISTER _IOW('C',0x01,struct capi_register_params)
-
 #define CAPI_MANUFACTURER_LEN 64
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CAPI_GET_MANUFACTURER _IOWR('C',0x06,int)  
-
 typedef struct capi_version {
  __u32 majorversion;
  __u32 minorversion;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 majormanuversion;
  __u32 minormanuversion;
 } capi_version;
-
 #define CAPI_GET_VERSION _IOWR('C',0x07,struct capi_version)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CAPI_SERIAL_LEN 8
 #define CAPI_GET_SERIAL _IOWR('C',0x08,int)  
-
 typedef struct capi_profile {
  __u16 ncontroller;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 nbchannel;
  __u32 goptions;
  __u32 support1;
  __u32 support2;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 support3;
  __u32 reserved[6];
  __u32 manu[5];
 } capi_profile;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CAPI_GET_PROFILE _IOWR('C',0x09,struct capi_profile)
-
 typedef struct capi_manufacturer_cmd {
  unsigned long cmd;
  void __user *data;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } capi_manufacturer_cmd;
-
 #define CAPI_MANUFACTURER_CMD _IOWR('C',0x20, struct capi_manufacturer_cmd)
-
 #define CAPI_GET_ERRCODE _IOR('C',0x21, __u16)
-
 #define CAPI_INSTALLED _IOR('C',0x22, __u16)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef union capi_ioctl_struct {
  __u32 contr;
  capi_register_params rparams;
  __u8 manufacturer[CAPI_MANUFACTURER_LEN];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  capi_version version;
  __u8 serial[CAPI_SERIAL_LEN];
  capi_profile profile;
  capi_manufacturer_cmd cmd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 errcode;
 } capi_ioctl_struct;
-
 #define CAPIFLAG_HIGHJACKING 0x0001
-
 #define CAPI_GET_FLAGS _IOR('C',0x23, unsigned)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CAPI_SET_FLAGS _IOR('C',0x24, unsigned)
 #define CAPI_CLR_FLAGS _IOR('C',0x25, unsigned)
-
 #define CAPI_NCCI_OPENCOUNT _IOR('C',0x26, unsigned)
-
 #define CAPI_NCCI_GETUNIT _IOR('C',0x27, unsigned)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif