Update firmwareupdate.md

en/firmwareupdate.md

@@ -8,8 +8,7 @@ https://card10.badge.events.ccc.de/release/card10-v1.4-DaikonRadish.zip
 * download the current firmware `.zip` file to your computer
 * extract it
 * put your card10 into [USB storage mode](/en/gettingstarted#usb-storage)
-* copy over the files you just extracted directly into the main folder
-on mac devices it is recommended to use the terminal, e.g. for the broccoli release: `cp -r Downloads/card10-v1.2-broccoli/* /Volumes/CARD10/`
+* copy over the files you just extracted directly into the main folder. Note: on macOS devices it is recommended to use the terminal, e.g. for the broccoli release: `cp -r ~/Downloads/card10-v1.2-broccoli/* /Volumes/CARD10/`
 * eject your device (if you're doing this in the command line: don't forget the `sync` on linux)
 * switch your card10 off and on again