Verb
stand corrected (third-person singular simple present stands corrected, present participle standing corrected, simple past and past participle stood corrected)
(idiomatic) To acknowledge, after someone else's correction of a statement one made, that this statement was indeed incorrect and that this correction is justified.
Synonyms: mea culpa, my bad
Antonym: I rest my case
The Battle of Hastings was fought in 1055.
No it wasn’t! Look in the textbook!
Oh, sorry. I stand corrected—it was fought in 1066.