diff --git a/include/Nazara/Math/Matrix4.inl b/include/Nazara/Math/Matrix4.inl
index 962f9746c..f6372f236 100644
--- a/include/Nazara/Math/Matrix4.inl
+++ b/include/Nazara/Math/Matrix4.inl
@@ -600,10 +600,10 @@ NzMatrix4<T>& NzMatrix4<T>::MakeIdentity()
 template<typename T>
 NzMatrix4<T>& NzMatrix4<T>::MakeOrtho(T left, T right, T top, T bottom, T zNear, T zFar)
 {
-	// http://www.opengl.org/sdk/docs/man2/xhtml/glOrtho.xml
+	// http://msdn.microsoft.com/en-us/library/windows/desktop/bb204942(v=vs.85).aspx
 	Set(F(2.0) / (right - left), F(0.0), F(0.0), F(0.0),
 	    F(0.0), F(2.0) / (top - bottom), F(0.0), F(0.0),
-	    F(0.0), F(0.0), F(1.0) / (zFar - zNear), F(0.0),
+	    F(0.0), F(0.0), F(1.0) / (zNear - zFar), F(0.0),
 	    (left + right) / (left - right), (top + bottom) / (bottom - top), zNear/(zNear - zFar), F(1.0));
 
 	return *this;