Match formating of tutorial

docs/beginner/tutorial2-surface/README.md

@@ -231,24 +231,26 @@ pub async fn run() {
 
     let mut state = State::new(window).await;
 
-    event_loop.run(move |event, _, control_flow| match event {
-        Event::WindowEvent {
-            ref event,
-            window_id,
-        } if window_id == state.window().id() => match event {
-            WindowEvent::CloseRequested
-            | WindowEvent::KeyboardInput {
-                input:
-                    KeyboardInput {
-                        state: ElementState::Pressed,
-                        virtual_keycode: Some(VirtualKeyCode::Escape),
-                        ..
-                    },
-                ..
-            } => *control_flow = ControlFlow::Exit,
+    event_loop.run(move |event, _, control_flow| {
+        match event {
+            Event::WindowEvent {
+                ref event,
+                window_id,
+            } if window_id == state.window().id() => match event {
+                WindowEvent::CloseRequested
+                | WindowEvent::KeyboardInput {
+                    input:
+                        KeyboardInput {
+                            state: ElementState::Pressed,
+                            virtual_keycode: Some(VirtualKeyCode::Escape),
+                            ..
+                        },
+                    ..
+                } => *control_flow = ControlFlow::Exit,
+                _ => {}
+            },
             _ => {}
-        },
-        _ => {}
+        }
     });
 }
 ```