fixed grammar mistake

math/Vector.h

@@ -21,7 +21,7 @@ public:
     Vector(float a, Args&&... args) {
         const int size = sizeof...(args) + 1;
         float init[size] = {a, args...};
-        static_assert(N == size, "vector size and amount of float arguments does not match");
+        static_assert(N == size, "vector size and amount of float arguments do not match");
         for(int i = 0; i < N; i++) {
             values[i] = init[i];
         }