public void setDescription(final String DESCRIPTION) {
        if (null == description) {
            _description = DESCRIPTION;
            fireTileEvent(VISIBILITY_EVENT);
            fireTileEvent(REDRAW_EVENT);
        } else {
            if (!description.isBound()) {
                description.set(DESCRIPTION);
            }
        }
    }
Sets the description text of the tile. This description text will usually
only be visible if it is not empty.

@param DESCRIPTION
src/main/java/eu/hansolo/tilesfx/Tile.java