tap the compass icon or a location on the floor plan to bring up the indoor navigation popover
click on either start point or end point inputs to trigger the popover with the indoor locations to select
at the bottom of the popover there will be two buttons: Cancel and Ok
if you navigate to settings by tapping the settings icon in the top right corner and change your app language to french and navigate back to the indoor view using the back button located on the top left corner of the screen
re-doing steps 2-4 will show that in french, the cancel button still says "Cancel"