diff --git a/Default%2Fstandard-mode.md b/Default%2Fstandard-mode.md
index e1776b1..c300c49 100644
--- a/Default%2Fstandard-mode.md
+++ b/Default%2Fstandard-mode.md
@@ -41,7 +41,7 @@ The device exposes CMSIS-DAP functionality over a USB HID interface, which can b
 
 In SWD mode, the pin mapping is entirely as with the standard Picoprobe setup,
 as described in Chapter 5 and Appendix A of [Getting Started with Raspberry Pi
-Pico](https://datasheets.raspberrypi.org/pico/getting-started-with-pico.pdf)
+Pico](https://datasheets.raspberrypi.org/pico/getting-started-with-pico.pdf). It has additional SWO support on the TDO/SWO pin.
 
 In JTAG mode, TCK and TMS have the same pins as SWCLK and SWDIO, respectively,
 TDI and TDO are on the next two consecutive free pins.