How to contact if one senses a censorship of input? Or... how to alk about said input, corrupted.... or not?
And... where's the spell check?!
I'm not sure if I understood what you want, but to discuss any change to any article, you can use that article's Talk page. There's a link to it on the top of every article: "Discuss page"
As for a spell checker, I don't think Sensei's Library has one.