diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 2237afa01f6..5272846bcc1 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -2575,6 +2575,24 @@ build
If CONFIG_PAGING_BINPATH is defined, then it is the full path to a file on a mounted file system that contains a binary image of the NuttX executable.
Pages will be filled by reading from offsets into this file that correspond to virtual fault addresses.
+
CONFIG_PAGING_MOUNTPT:
+ If CONFIG_PAGING_BINPATH is defined, additional options may be provided to control the initialization of underlying devices.
+ CONFIG_PAGING_MOUNTPT identifies the mountpoint to be used if a device is mounted.
+ CONFIG_PAGING_MINOR:
+ Some mount operations require a "minor" number to identify the specific device instance.
+ Default: 0
+ CONFIG_PAGING_SDSLOT:
+ If CONFIG_PAGING_BINPATH is defined, additional options may be provided to control the initialization of underlying devices.
+ CONFIG_PAGING_SDSLOT identifies the slot number of the SD device to initialize.
+ This must be undefined if SD is not being used.
+ This should be defined to be zero for the typical device that has only a single slot (See CONFIG_MMCSD_NSLOTS).
+ If defined, CONFIG_PAGING_SDSLOT will instruct certain board-specific logic to initialize the media in this SD slot.
+ The following can be used to disable categories of APIs supported