diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index c25a53e69f1b249184ce596732021fac6182ada5..9a89e01d9bced9f96d0f76e1490303b791957ec8 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -373,7 +373,7 @@ Protocol:	2.00+
 	1  Loadlin
 	2  bootsect-loader	(0x20, all other values reserved)
 	3  Syslinux
-	4  Etherboot/gPXE
+	4  Etherboot/gPXE/iPXE
 	5  ELILO
 	7  GRUB
 	8  U-Boot