diff --git a/examples/maths/numerical_integration/gaussian_legendre.f90 b/examples/maths/numerical_integration/gaussian_legendre.f90
index e510724..f7752d5 100644
--- a/examples/maths/numerical_integration/gaussian_legendre.f90
+++ b/examples/maths/numerical_integration/gaussian_legendre.f90
@@ -31,7 +31,7 @@ function func(x) result(fx)
         real(dp), intent(in) :: x
         real(dp) :: fx
 
-        fx = exp(-x**2)*cos(2.0_dp * x)       !! Example function to integrate
+        fx = exp(-x**2)*cos(2.0_dp*x)       !! Example function to integrate
     end function func
 
-end program example_gaussian_quadrature
\ No newline at end of file
+end program example_gaussian_quadrature
diff --git a/examples/maths/numerical_integration/midpoint.f90 b/examples/maths/numerical_integration/midpoint.f90
index 4e4ac56..9ce83b5 100644
--- a/examples/maths/numerical_integration/midpoint.f90
+++ b/examples/maths/numerical_integration/midpoint.f90
@@ -30,7 +30,7 @@ function func(x) result(fx)
         real(dp), intent(in) :: x
         real(dp) :: fx
 
-        fx = exp(-x**2)*cos(2.0_dp * x)       !! Example function to integrate
+        fx = exp(-x**2)*cos(2.0_dp*x)       !! Example function to integrate
     end function func
 
 end program example_midpoint
diff --git a/examples/maths/numerical_integration/monte_carlo.f90 b/examples/maths/numerical_integration/monte_carlo.f90
index 15423a0..a4ea6da 100644
--- a/examples/maths/numerical_integration/monte_carlo.f90
+++ b/examples/maths/numerical_integration/monte_carlo.f90
@@ -31,7 +31,7 @@ function func(x) result(fx)
         real(dp), intent(in) :: x
         real(dp) :: fx
 
-        fx = exp(-x**2) * cos(2.0_dp * x)       !! Example function to integrate
+        fx = exp(-x**2)*cos(2.0_dp*x)       !! Example function to integrate
     end function func
 
 end program example_monte_carlo
diff --git a/examples/maths/numerical_integration/simpson.f90 b/examples/maths/numerical_integration/simpson.f90
index 7fdaefc..a7fbd07 100644
--- a/examples/maths/numerical_integration/simpson.f90
+++ b/examples/maths/numerical_integration/simpson.f90
@@ -31,7 +31,7 @@ function func(x) result(fx)
         real(dp), intent(in) :: x
         real(dp) :: fx
 
-        fx = exp(-x**2)*cos(2.0_dp * x)       !! Example function to integrate
+        fx = exp(-x**2)*cos(2.0_dp*x)       !! Example function to integrate
     end function func
 
 end program example_simpson
diff --git a/examples/maths/numerical_integration/trapezoid.f90 b/examples/maths/numerical_integration/trapezoid.f90
index b46854d..a6e9983 100644
--- a/examples/maths/numerical_integration/trapezoid.f90
+++ b/examples/maths/numerical_integration/trapezoid.f90
@@ -31,7 +31,7 @@ function func(x) result(fx)
         real(dp), intent(in) :: x
         real(dp) :: fx
 
-        fx = exp(-x**2)*cos(2.0_dp * x)       !! Example function to integrate
+        fx = exp(-x**2)*cos(2.0_dp*x)       !! Example function to integrate
     end function func
 
 end program example_tapezoid