diff --git a/Documentation/NuttX.html b/Documentation/NuttX.html
index 039c85451d4..39777f9ab25 100644
--- a/Documentation/NuttX.html
+++ b/Documentation/NuttX.html
@@ -2310,6 +2310,7 @@ nsh>
           on-board LED and button support and a serial console available
           on LEUART0.  A single configuration is available using the
           NuttShell NSH and the LEUART0 serial console.
+          DMA and USART-based SPI supported are included, but not fully tested.
         </p>
         <p>
            Refer to the EFM32 Gecko Starter Kit <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/efm32-g8xx-stk/README.txt"><i>README.txt</i></a> file for further information.