readme edited

README.md

@@ -10,15 +10,16 @@ Install dependencies by running `pip install -r requirements.txt`
 ### Usage:
 Run `python asteroides.py` to start the game.
 
-Use arrow keys to move up, down, left and right on the canvas.
+Use arrow keys to move up, down, left and right on the canvas.  
 Use space bar to shoot.
 
 
 ## License:
 Uses [GPL-3.0 License](https://github.com/rodrigets/games-in-pygame/blob/master/LICENSE).
 
 ## Credits
-Bullet image was provided by [Gumichan01](https://gumichan01.github.io/en/)
+Bullet image was provided by [Gumichan01](https://gumichan01.github.io/en/)  
+
 Shooting sound was taken from [K.L.Jonasson, Winnipeg, Canada./ Triki Minut Interactive](www.trikiminut.com)