Minor fixes on tutorial 6

docs/beginner/tutorial6-uniforms/README.md

@@ -241,7 +241,7 @@ uniform Uniforms {
 };
 
 void main() {
-    v_tex_coords = a_tex_coords;    // UPDATED!
+    v_tex_coords = a_tex_coords;
     gl_Position = u_view_proj * vec4(a_position, 1.0); // 3.
 }
 ```
@@ -357,7 +357,6 @@ impl CameraController {
         }
     }
 }
-}
 ```
 
 This code is not perfect. The camera slowly moves back when you rotate it. It works for our purposes though. Feel free to improve it!