How to pronounce “apostrophe”(verb) in English

'Children's books'. It's an APOSTROPHE-S. But every single time, spell checker will mark it wrong. The same with 'men's' and 'women's' ñ like 'men's clothes', 'women's hats'. It'll,it takes an APOSTROPHE-S and your Spell Checker will mark it wrong. So there's just something to know and it's so funny and people will write to me and they'll say, 'Well, I'm prettysure this is right but Spell Checker keeps telling me that I'm wrong' and they keep questioning themselves. Spell Checker is wrong a lot. So just view it as something that highlights