in script.js [245:249]
function () {
$('div.fbmcc-deactivationReason-commentContainer').removeClass( 'fbmcc-display' );
$( '#fbmcc-deactivationReason-commentContainer'
+ $('input[name=fbmcc-deactivationReason]:checked', '#fbmcc-deactivationForm').val() ).toggleClass( 'fbmcc-display' );
}