diff --git a/Board-STM32F407-Discovery.md b/Board-STM32F407-Discovery.md
index 7ba0c30..6491a87 100644
--- a/Board-STM32F407-Discovery.md
+++ b/Board-STM32F407-Discovery.md
@@ -83,4 +83,4 @@ parsing element 2, address = 0x08020000, size = 136500
 done parsing DfuSe file
 ```
 
-You should now be able to fire up a terminal emulator (i.e. minicom) on ```/dev/ttyACM0``` and have a micropython prompt.
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+Remove the BOOT0 jumper and press reset. You should now be able to fire up a terminal emulator (i.e. minicom) on ```/dev/ttyACM0``` and have a micropython prompt.
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