diff --git a/libc/kernel/common/linux/ipx.h b/libc/kernel/common/linux/ipx.h
index ff675e9..1396988 100644
--- a/libc/kernel/common/linux/ipx.h
+++ b/libc/kernel/common/linux/ipx.h
@@ -7,72 +7,87 @@
  ***   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 _IPX_H_
 #define _IPX_H_
 #include <linux/sockios.h>
 #include <linux/socket.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPX_NODE_LEN 6
 #define IPX_MTU 576
-
 struct sockaddr_ipx {
  sa_family_t sipx_family;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 sipx_port;
  __u32 sipx_network;
  unsigned char sipx_node[IPX_NODE_LEN];
  __u8 sipx_type;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned char sipx_zero;
 };
-
 #define sipx_special sipx_port
 #define sipx_action sipx_zero
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPX_DLTITF 0
 #define IPX_CRTITF 1
-
 struct ipx_route_definition {
  __u32 ipx_network;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ipx_router_network;
  unsigned char ipx_router_node[IPX_NODE_LEN];
 };
-
 struct ipx_interface_definition {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ipx_network;
  unsigned char ipx_device[16];
  unsigned char ipx_dlink_type;
 #define IPX_FRAME_NONE 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPX_FRAME_SNAP 1
 #define IPX_FRAME_8022 2
 #define IPX_FRAME_ETHERII 3
 #define IPX_FRAME_8023 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPX_FRAME_TR_8022 5  
  unsigned char ipx_special;
 #define IPX_SPECIAL_NONE 0
 #define IPX_PRIMARY 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPX_INTERNAL 2
  unsigned char ipx_node[IPX_NODE_LEN];
 };
-
 struct ipx_config_data {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned char ipxcfg_auto_select_primary;
  unsigned char ipxcfg_auto_create_interfaces;
 };
-
 struct ipx_route_def {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ipx_network;
  __u32 ipx_router_network;
 #define IPX_ROUTE_NO_ROUTER 0
  unsigned char ipx_router_node[IPX_NODE_LEN];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned char ipx_device[16];
  unsigned short ipx_flags;
 #define IPX_RT_SNAP 8
 #define IPX_RT_8022 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPX_RT_BLUEBOOK 2
 #define IPX_RT_ROUTED 1
 };
-
 #define SIOCAIPXITFCRT (SIOCPROTOPRIVATE)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIOCAIPXPRISLT (SIOCPROTOPRIVATE + 1)
 #define SIOCIPXCFGDATA (SIOCPROTOPRIVATE + 2)
 #define SIOCIPXNCPCONN (SIOCPROTOPRIVATE + 3)
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */