diff --git a/numerical_methods/fast_fourier_transform.cpp b/numerical_methods/fast_fourier_transform.cpp
index a54731216..f59d5be59 100644
--- a/numerical_methods/fast_fourier_transform.cpp
+++ b/numerical_methods/fast_fourier_transform.cpp
@@ -10,11 +10,11 @@
  * @author [Ameya Chawla](https://github.com/ameyachawlaggsipu)
  */
 
-#include<iostream>   /// for IO operations
+#include <iostream>   /// for IO operations
 #include<cmath>     /// for mathematical-related functions
-#include<complex>  /// for storing points and coefficents
+#include <complex>  /// for storing points and coefficents
 #include <cassert> /// for assert
-#include<vector>   /// for storing test cases
+#include <vector>   /// for storing test cases