text on preview page when editing a submission with custom Submit button label

use patch (issue 2419159 #10)
create a Webform with custom submit button label - f.e "Submit participation"
edit the webform and view the preview page
there is a hint now
Please review your submission. Your submission is not complete until you press the "Submit participation" button!

but there is now a save button not the custom submit button.
The text should be changed to Please review your submission. Your submission will not be changed until you press the "Save" button! (hope the English is correct) otherwise the user is looking for the custom text button

p.s It's great that the button is now named save instead the custom text which was confusing sometimes.