I did catch a few changes it recommended that did not work. Though it is better than my own, obvious shortcomings. When I was at school(70's 80's), I thought

I did catch a few changes it recommended that did not work. Though it is better than my own, obvious shortcomings. When I was at school(70's 80's), I thought such grammar and spelling correction would be easily automated away and yet. Though it may not be perfect, it is testament how hard grammar can be, translated into a rule set.