fixes 14714: don't use specific value in buttons docs
fixes 14714: don't use specific value in buttons docs

BS3 commits: 2aedd274f2ab8acb7e1239671747f1b4a79c736d

up2vs/todc-bootstrap,todc/todc-bootstrap,aaroncnhk/todc-bootstrap,2947721120/googlebt4,mozillo/todc-bootstrap,ztx1491/todc-bootstrap,2947721120/todc-bootstrap,todc/todc-bootstrap,todc/todc-bootstrap