diff --git a/libc/kernel/arch-arm/asm/procinfo.h b/libc/kernel/arch-arm/asm/procinfo.h
index d774e0b..7a665e7 100644
--- a/libc/kernel/arch-arm/asm/procinfo.h
+++ b/libc/kernel/arch-arm/asm/procinfo.h
@@ -7,45 +7,54 @@
  ***   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_PROCINFO_H
 #define __ASM_PROCINFO_H
-
 #ifndef __ASSEMBLY__
-
 struct cpu_tlb_fns;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct cpu_user_fns;
 struct cpu_cache_fns;
 struct processor;
-
 struct proc_info_list {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int cpu_val;
  unsigned int cpu_mask;
  unsigned long __cpu_mm_mmu_flags;
  unsigned long __cpu_io_mmu_flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long __cpu_flush;
  const char *arch_name;
  const char *elf_name;
  unsigned int elf_hwcap;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  const char *cpu_name;
  struct processor *proc;
  struct cpu_tlb_fns *tlb;
  struct cpu_user_fns *user;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct cpu_cache_fns *cache;
 };
-
 #endif
-
 #define HWCAP_SWP 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define HWCAP_HALF 2
 #define HWCAP_THUMB 4
 #define HWCAP_26BIT 8  
 #define HWCAP_FAST_MULT 16
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define HWCAP_FPA 32
 #define HWCAP_VFP 64
 #define HWCAP_EDSP 128
 #define HWCAP_JAVA 256
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define HWCAP_IWMMXT 512
-
 #endif