Update README.md

README.md

@@ -3,10 +3,12 @@
 ## Objectives
 
 ## Instructions
-1. Make the tron bike on a grey canvas with dimensions 800x400. The wheels should be ellipses with dimensions 80x80, and the body of the bike should be a rectangle with dimensions 150x80. You will need to figure out how to round the corners using an additional argument. 
+**1.** Make the tron bike on a grey canvas with dimensions 800x400. The wheels should be ellipses with dimensions 80x80, and the body of the bike should be a rectangle with dimensions 150x80. You will need to figure out how to round the corners using an additional argument. 
 <center><img src="tron-bike.png"></center>
-2. Make the tron bike start in the bottom left and move across the screen from left to right. 
+**2.** Make the tron bike start in the bottom left and move across the screen from left to right. 
 
-3. Make the tron bike 
+**3.** Make the tron bike move back and forth across the screen (bouncing off the edges of the canvas)
+
+**4.**
 ## Bonus