diff --git a/sources/reactphysics3d/mathematics/Quaternion.cpp b/sources/reactphysics3d/mathematics/Quaternion.cpp
index da57d894..54238f70 100755
--- a/sources/reactphysics3d/mathematics/Quaternion.cpp
+++ b/sources/reactphysics3d/mathematics/Quaternion.cpp
@@ -21,7 +21,7 @@
 #include "mathematics.h"
 #include <cassert>
 
-// Namespaces
+// Namespace
 using namespace reactphysics3d;
 
 // Constructor of the class
diff --git a/sources/reactphysics3d/mathematics/Quaternion.h b/sources/reactphysics3d/mathematics/Quaternion.h
index 5837a301..c4a45917 100644
--- a/sources/reactphysics3d/mathematics/Quaternion.h
+++ b/sources/reactphysics3d/mathematics/Quaternion.h
@@ -34,8 +34,7 @@ namespace reactphysics3d {
         q = (x*i, y*j, z*k, w) to represent a quaternion.
     -------------------------------------------------------------------
 */
-class Quaternion
-{
+class Quaternion {
     private :
         double x;                       // Component x of the quaternion
         double y;                       // Component y of the quaternion