Use consistent baud rate across examples
diff --git a/yotta/data/example-selftest/README.md b/yotta/data/example-selftest/README.md
index c5967a2..0ded404 100644
--- a/yotta/data/example-selftest/README.md
+++ b/yotta/data/example-selftest/README.md
@@ -44,7 +44,7 @@
6. Copy `build/frdm-k64f-gcc/test/mbedtls-test-example-selftest.bin` to your mbed board and wait until the LED next to the USB port stops blinking.
-7. Start the serial terminal emulator and connect to the virtual serial port presented by FRDM-K64F. For settings, use 9600 baud, 8N1, no flow control.
+7. Start the serial terminal emulator and connect to the virtual serial port presented by FRDM-K64F. For settings, use 115200 baud, 8N1, no flow control. **Warning:** for this example, the baud rate is not the default 9600, it is 115200.
8. Press the reset button on the board.