diff --git a/man2/reboot.2 b/man2/reboot.2
index 253bd3457..d3bb19efb 100644
--- a/man2/reboot.2
+++ b/man2/reboot.2
@@ -22,7 +22,7 @@
 .\" Modified, 27 May 2004, Michael Kerrisk <mtk.manpages@gmail.com>
 .\"     Added notes on capability requirements
 .\"
-.TH REBOOT 2 2008-02-11 "Linux" "Linux Programmer's Manual"
+.TH REBOOT 2 2010-10-31 "Linux" "Linux Programmer's Manual"
 .SH NAME
 reboot \- reboot or enable/disable Ctrl-Alt-Del
 .SH SYNOPSIS
@@ -139,6 +139,12 @@ For the i386 architecture, the additional argument does not do
 anything at present (2.1.122), but the type of reboot can be
 determined by kernel command-line arguments ("reboot=...") to be
 either warm or cold, and either hard or through the BIOS.
+.TP
+.BR LINUX_REBOOT_CMD_KEXEC " (since Linux 2.6.13)"
+Execute a kernel that has been loaded earlier with
+.BR kexec_load (2).
+This option is only available if the kernel was configured with
+.BR CONFIG_KEXEC .
 .SH "RETURN VALUE"
 For the values of
 .I cmd