Update README.md

Author: bskinny129

Day-1/README.md

@@ -17,9 +17,9 @@ Take the Pong game from Beginner Python and add some sounds to it! If you don't
 
 We've included a couple sound files for you to use, which you can download by clicking on them, right-clicking "Raw", and choosing "Save link as...". Put them in the same folder as your program.
 
-### Challenge 2: Pong With (Your Own) Sounds
+### Challenge 2: Pong With Your Own Sounds
 
-The sounds we gave you were boring. Make your own using a program like Audacity, or download them from a website like [Freesound](https://www.freesound.org/)!
+The sounds we gave you were boring. Record your own (with Audacity or another program) or download them from a website like [Freesound](https://www.freesound.org/)!
 
 ## Music!
 
@@ -41,10 +41,14 @@ Add some music to your Pong game! We've given you a track to use, but you can al
 
 Done with everything else? Here are some more things to try! You might need to use the [`pygame.mixer` documentation](http://pygame.org/docs/ref/mixer.html#pygame.mixer.Sound) to figure some things out yourself.
 
-### Challenge 4: Fading Out
+###Challenge 4: A Unique Sound for Everything
+
+Can you have a different sound for everything that happens in your game: the ball hitting paddle 1, the ball hitting paddle 2, scoring a point, the game starting, the game ending, etc. Get creative!
+
+### Challenge 5: Fading Out
 
 Make the music fade out at when you close the Pong window!
 
-### Challenge 5: Patatap
+### Challenge 6: Patatap
 
 Try and make something like [this](http://www.patatap.com/) in Python.