The error that bother me the most, is when an amount stated in the body of the recipe suddenly morphs into a different amount in the directions.
There truly are no more educated human proof readers. I agree that Spellcheck has taken over, to the detriment of the English language. Yesterday I read a headline in a national paper that said "Mr. A plans to 'reign in overspending." Looking back, maybe that was the right word, because politicians certainly 'reign' where overspending is concerned.