diff --git a/libc/kernel/common/linux/wait.h b/libc/kernel/common/linux/wait.h
index 7d9aa68..7eb2124 100644
--- a/libc/kernel/common/linux/wait.h
+++ b/libc/kernel/common/linux/wait.h
@@ -7,24 +7,30 @@
  ***   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_WAIT_H
 #define _LINUX_WAIT_H
-
 #define WNOHANG 0x00000001
 #define WUNTRACED 0x00000002
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define WSTOPPED WUNTRACED
 #define WEXITED 0x00000004
 #define WCONTINUED 0x00000008
 #define WNOWAIT 0x01000000  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __WNOTHREAD 0x20000000  
 #define __WALL 0x40000000  
 #define __WCLONE 0x80000000  
-
 #define P_ALL 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define P_PID 1
 #define P_PGID 2
-
 #endif