diff --git a/curriculum/challenges/english/07-scientific-computing-with-python/learn-classes-and-objects-by-building-a-sudoku-solver/6569e481e67f123ad25c5d20.md b/curriculum/challenges/english/07-scientific-computing-with-python/learn-classes-and-objects-by-building-a-sudoku-solver/6569e481e67f123ad25c5d20.md
index 99b5452fc69..d0d28f4596d 100644
--- a/curriculum/challenges/english/07-scientific-computing-with-python/learn-classes-and-objects-by-building-a-sudoku-solver/6569e481e67f123ad25c5d20.md
+++ b/curriculum/challenges/english/07-scientific-computing-with-python/learn-classes-and-objects-by-building-a-sudoku-solver/6569e481e67f123ad25c5d20.md
@@ -11,7 +11,7 @@ Place the condition in an `if` statement and check if it is `None`.
 
 # --hints--
 
-You should have `if (next_empty := self.find_empty_cell()) is None:` withing `solver`.
+You should have `if (next_empty := self.find_empty_cell()) is None:` within `solver`.
 
 ```js
 const tCode = code.replace(/\r/g, '');