stand corrected - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Agree that one was wrong, as in I stand corrected—we did go to Finland in 1985. This idiom was first recorded in John Dryden's The Maiden Queen (1668): “I stand corrected, and myself reprove.”