Summary
PAGE TITLE:
Tutorial: Tic-Tac-Toe
SECTION:
Declaring a winner
SENTENCE:
You can perform this check at the same time you check if a user has clicked a square that already has a X or and O.
ISSUE:
"a X or and O" should be corrected to "an X or an O"
Page
https://react.dev/learn/tutorial-tic-tac-toe
Details
"A" is used before a noun that starts with a consonant sound, while "an" is used before a noun that starts with a vowel sound.
The phrase "or and O" is also incorrect, and it should instead be "or an O."