fix(curriculum): correct 'it's' to 'its' in RPS workshop step 12 (freeCodeCamp#60275)

Author: Abdallah-scout

curriculum/challenges/english/25-front-end-development/workshop-rps-game/66cf35a75f891ab4f4e5497b.md

@@ -11,7 +11,7 @@ If you try to play the game, you will see that you can play for an infinite amou
 
 In your `showResults` function, if the player has reached three points, update the `winnerMsgElement` to `"Player has won the game!"`. If the computer has reached three points, update the `winnerMsgElement` to `"Computer has won the game!"`.
 
-If there is a winner, show the `resetGameBtn` button by settings it's `display` to `block` and hide the `optionsContainer` by setting it's `display` to `none`.
+If there is a winner, show the `resetGameBtn` button by setting its `display` to `block` and hide the `optionsContainer` by setting its `display` to `none`.
 
 Now, try to play the game and see if the winner message is displayed when a player reaches three points.