Originally Posted by Jose_TheGenius
people make mistakes and if you write an article, you'd probably leave it as it is with a mistake than correct it on a website after people have seen it since they'd be thinking you're changing your tune or message to swerve it a certain way. it's not carelessness at all.
Fixed it for you
Than. Then. Two different words. Two different meanings. One spelling in the interwebs
And, you often have the ability to use 'strikethrough' when publishing a website. It shows that you made a change, and would like to indicate what you've changed.
Allusive is simply careless.