diff --git a/maths/sum_of_squares.py b/maths/sum_of_squares.py
index d5265153e..a7da29b79 100644
--- a/maths/sum_of_squares.py
+++ b/maths/sum_of_squares.py
@@ -1,13 +1,14 @@
 """
 This script demonstrates the implementation of the sum of squares of the first n natural numbers.
 
-The function takes an integer n as input and returns the sum of squares 
+The function takes an integer n as input and returns the sum of squares
 from 1 to n using the formula n(n + 1)(2n + 1) / 6. This formula computes the sum efficiently
 without the need for iteration.
 
 https://www.cuemath.com/algebra/sum-of-squares/
 """
 
+
 def sum_of_squares(n: int) -> int:
     """
     Implements the sum of squares formula for the first n natural numbers.
@@ -25,9 +26,10 @@ def sum_of_squares(n: int) -> int:
     >>> sum_of_squares(10)
     385
     """
-    return n * (n + 1) * (2*n + 1) // 6
+    return n * (n + 1) * (2 * n + 1) // 6
 
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()