Improve the consistency of the following text.
The primary advantage of a kytoon is that it remains in a reasonably stable position above the tether point, irrespective of the strength of wind,. Ordinary balloons and kites are less stable.
The primary advantage of a kytoon is that it remains in a reasonably stable position above the tether point, irrespective of the strength of wind, whereas ordinary balloons and kites are less stable.