diff --git a/Board-Nucleo-F767ZI.md b/Board-Nucleo-F767ZI.md
index 75beb56..562b633 100644
--- a/Board-Nucleo-F767ZI.md
+++ b/Board-Nucleo-F767ZI.md
@@ -19,4 +19,4 @@ Status "not officially supported but should be fully functional" as of 2018-08.
 
 Probably requires newer OpenOCD than 0.9.0, which complained "Cannot identify target as a STM32 family" despite getting a device ID.
 
-To steer the target into DFU mode, pull `BOOT0` high (connect CN11 pin 7 to CN11 pin 16; see the mBed page for pretty diagrams) while plugging the STLink USB into the host.  Then use the usual DFU flashing described in the README.
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+To steer the target into DFU mode, temporarily pull `BOOT0` high (connect CN11 pin 7 to CN11 pin 16; see the mBed page for pretty diagrams) while plugging the STLink USB into the host.  As soon as it's plugged in you can remove the connection.  Then use the usual DFU flashing described in the README.
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