"Enable right clicks with the right bottom corner of the touchpad" -> "Right-click by tapping the bottom-right corner of the touchpad"
"Enable middle clicks with the right top corner of the touchpad" -> "Middle-click by tapping the top-right corner of the touchpad"
"Enable right clicks with the right bottom corner of the touchpad" ->
"Right-click by tapping the bottom-right corner of the touchpad"
"Enable middle clicks with the right top corner of the touchpad" ->
"Middle-click by tapping the top-right corner of the touchpad"