[bootlin/training-materials updates] master: Minor update to instructions for flashing BBB (3fb5ae6c)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/3fb5ae6ce1f9141fb59848c4dd0056d793f4900b

>---------------------------------------------------------------

commit 3fb5ae6ce1f9141fb59848c4dd0056d793f4900b
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Sun Dec 13 19:10:09 2020 +0100

    Minor update to instructions for flashing BBB
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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3fb5ae6ce1f9141fb59848c4dd0056d793f4900b
 lab-data/common/bootloader/beaglebone-black/README.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lab-data/common/bootloader/beaglebone-black/README.txt b/lab-data/common/bootloader/beaglebone-black/README.txt
index 3a977f51..53de21f5 100644
--- a/lab-data/common/bootloader/beaglebone-black/README.txt
+++ b/lab-data/common/bootloader/beaglebone-black/README.txt
@@ -77,6 +77,8 @@ connectors), and release the button.
 After about 20 to 30 seconds, you should see the 4 LEDs next to the Ethernet
 connector turned on. This confirms that reflashing went well. You are done!
 
+Then, remove the micro-SD card.
+
 Don't switch off the board violently by removing the USB power.
 Otherwise, you could damage some components (see the slides for details).
 To power off the board in a clean way, first press the POWER button for 8