message: Format DateTimePickerHeader.jsx
diff: @@ -62,7 +62,7 @@ export const DateTimePickerHeader = (props) => {
  </div>
  {
  - ampm &&
  + ampm && (
  <div className={classes.ampmSelection}>
  <ToolbarButton
  className={classes.ampmLabel}
  @@ -79,6 +79,7 @@ export const DateTimePickerHeader = (props) => {
  onClick={setMeridiemMode('pm')}
  />
  </div>
  + )
  }
  </div>
  </PickerToolbar>
  