diff --git a/libc/kernel/arch-arm/asm/fpstate.h b/libc/kernel/arch-arm/asm/fpstate.h
index b362b14..4558f80 100644
--- a/libc/kernel/arch-arm/asm/fpstate.h
+++ b/libc/kernel/arch-arm/asm/fpstate.h
@@ -7,62 +7,63 @@
  ***   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 __ASM_ARM_FPSTATE_H
 #define __ASM_ARM_FPSTATE_H
-
 #ifndef __ASSEMBLY__
-
 struct vfp_hard_struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 fpregs[16];
 #if __LINUX_ARM_ARCH__ < 6
  __u32 fpmx_state;
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 fpexc;
  __u32 fpscr;
-
  __u32 fpinst;
  __u32 fpinst2;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 union vfp_state {
  struct vfp_hard_struct hard;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FP_HARD_SIZE 35
-
 struct fp_hard_struct {
  unsigned int save[FP_HARD_SIZE];
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FP_SOFT_SIZE 35
-
 struct fp_soft_struct {
  unsigned int save[FP_SOFT_SIZE];
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IWMMXT_SIZE 0x98
-
 struct iwmmxt_struct {
  unsigned int save[IWMMXT_SIZE / sizeof(unsigned int)];
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 union fp_state {
  struct fp_hard_struct hard;
  struct fp_soft_struct soft;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FP_SIZE (sizeof(union fp_state) / sizeof(int))
-
 struct crunch_state {
  unsigned int mvdx[16][2];
  unsigned int mvax[4][3];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int dspsc[2];
 };
-
 #define CRUNCH_SIZE sizeof(struct crunch_state)
-
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif