Update exercises/practice/state-of-tic-tac-toe/.docs/instructions.append.md

Co-authored-by: Yrahcaz <74512479+Yrahcaz7@users.noreply.github.com>

Author: BethanyG

exercises/practice/state-of-tic-tac-toe/.docs/instructions.append.md

@@ -9,7 +9,7 @@ For situations where you know that the error source will be a certain type, you
 
 
 A valid game of `Tic Tac Toe` ends when one player wins.
-If both players are in a winning state, or there is a mismatch between the winner and their number of moves, this exercise expects you to use the [raise statement][raise] and "throw" a `ValueError` in your solution.
+If both players are in a winning state, this exercise expects you to use the [raise statement][raise] and "throw" a `ValueError` in your solution.
 Your code is also expected to throw a `ValueError` if one player is assessed as playing two turns in a row, or playing the first move when they were assigned to play the second move.