diff --git a/documentation/asciidoc/computers/config_txt/boot.adoc b/documentation/asciidoc/computers/config_txt/boot.adoc
index a83ad8b4d..b87ef830d 100644
--- a/documentation/asciidoc/computers/config_txt/boot.adoc
+++ b/documentation/asciidoc/computers/config_txt/boot.adoc
@@ -189,6 +189,26 @@ If `erase_eeprom` is set to `1` then `recovery.bin` will erase the entire SPI EE
 
 Default: `0`
 
+[[set_reboot_arg1]]
+==== `set_reboot_arg1`
+Raspberry Pi 5 only.
+
+Sets the value of `boot_arg1` to be passed via a reset-safe register to the bootloader after a reboot.
+See xref:config_txt.adoc#boot_arg1[`boot_arg1`] for more details.
+Default: ``
+
+[[set_reboot_order]]
+==== `set_reboot_order`
+
+Raspberry Pi 5 only.
+
+Sets the value of xref:raspberry-pi.adoc#BOOT_ORDER[BOOT_ORDER] to be passed via a reset-safe register to the bootloader after a reboot. As with `tryboot`, this is a one-time setting and is automatically cleared after use.
+
+This property could be used to debug different xref:raspberry-pi.adoc#BOOT_ORDER[BOOT_ORDER] settings. Alternatively, it could be used in a provisioning system which has control over power and the `nRPIBOOT` GPIO to override the boot mode without specifying xref:config_txt.adoc#conditional-filters[conditional filter] statements in the EEPROM config.
+
+Default: ``
+
+
 [[eeprom_write_protect]]
 ==== `eeprom_write_protect`