Yep, you are a pedant, and pedant's are loathed because we're generally right.
From the guardian.co.uk
If they bothered you, it would have to have been because you were a massive pedant.
From the guardian.co.uk
He is the world's greatest alcohol-fuelled pedant and you'll see it in his stand-up.
From the independent.co.uk
I meant to say that before, instead of just coming in to be a pedant about language.
From the guardian.co.uk
At the risk of being described as a pedant, I worked for two years in Southern Africa.
From the guardian.co.uk
Nobody likes the queasy pedant creeping up with cold fingers, ready to clip our wings.
From the guardian.co.uk
Anyway, I'm not a pedant, I'm something similar but not quite the same.
From the guardian.co.uk
Each of these playwrights is a displaced pedant who pretends to be stretching the mind.
From the time.com
Sorry to be a pedant, but Winston Churchill's mother was called Jennie, not Clementine.
From the guardian.co.uk
More examples
A person who pays more attention to formal rules and book learning than they merit
A pedant is a person who is overly concerned with formalism and precision, or who makes a show of their learning.
A French term that describes a slight, tingling prickle. See also Spritzy.
A person who overrates, or over-displays, book-learning or technical knowledge
A person with more education than he can use.
(rhymes with, said ant): a narrow-minded teacher, especially one who stresses minor points of learning. If you've ever made the mistake of correcting the grammar in your boyfriend or girlfriend's letters, you might just find yourself being called a pedant for the rest of the relationship.