Another vote for "affect." But I have long ago tried to ignore such common mistakes. 'isle' seats rather than aisle and 'definately' rather than definitely are very common errors that come to mind. So many people make very basic spelling errors - even when FT highlights spelling errors in red
.
But don't feel badly - your mistake of confusing the words "effect" and "affect" is a common one according to Wikipedia
It's a matter of correct word choice (
affect or
effect), not one of correct spelling. But in any event, it's all a quibble here.