diff --git a/index.html b/index.html
index d880b51..e1a0517 100644
--- a/index.html
+++ b/index.html
@@ -103,7 +103,7 @@
         let y = e.screen.y - app.screen.height/2;
         submarine.fire(x, y);
       };
-      
+            
       let submarine_sprite = PIXI.Sprite.from('assets/submarine.png');
       let submarine = new Submarine(app, screen, submarine_sprite, bullet_asset);