Look at his post, that one is labeled as A minor, as in natural minor, aeolian. It's not harmonic minor. Play them and you'll hear that they sound very different, harmonic minor has a much more exotic, arabian sound, especially when you focus on the fifth. The augmented second between the 6th and the 7th in the harmonic minor scale is what gives it it's interesting flavor. Learn the theory behind scale construction and it will make much more sense to you than just memorizing fingerings.