adopt documentation

keyboards/redox/README.md

@@ -6,8 +6,11 @@ https://getreuer.info/posts/keyboards/non-english/index.html#us-international-la
 ❯ qmk compile -kb redox -km triplem
 
 twice - once for each side
-start and unplug the keyboard (one half)
+start and repeat for each half:
+unplug connection cord between the two halfs
 ❯ qmk flash -kb redox -km triplem  
-, press Reset-Button and replug
+, press Reset-Button twice shortly after each other
 flashing will start
+after finished flashing on both sided, unplug usb again, reconnect the two halfs
+after replugging, everything should work as expected.