fix error in README.md

Author: x4nth055

Diff for: README.md

@@ -271,6 +271,6 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [How to Make a Real-Time GUI Spelling Checker in Python](https://www.thepythoncode.com/article/make-a-realtime-spelling-checker-gui-python). ([code](gui-programming/realtime-spelling-checker))
     - [How to Create a GUI Hangman Game using PyGame in Python](https://www.thepythoncode.com/article/hangman-gui-game-with-pygame-in-python). ([code](gui-programming/hangman-game-gui))
     - [How to Make a Tetris Game using PyGame in Python](https://www.thepythoncode.com/article/create-a-tetris-game-with-pygame-in-python). ([code](gui-programming/tetris-game))
-    - [How to Build a Tic Tac Toe Game in Python](https://www.thepythoncode.com/article/make-a-tic-tac-toe-game-pygame-in-python). ([code](gui-programmming/tictactoe-game))
+    - [How to Build a Tic Tac Toe Game in Python](https://www.thepythoncode.com/article/make-a-tic-tac-toe-game-pygame-in-python). ([code](gui-programming/tictactoe-game))
 
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