more formatting

Author: eshyong

README.md

@@ -4,13 +4,17 @@ Chip-8-Emulator
 Interpreter for the Chip 8 Virtual Machine. Can run Pong and Tetris.
 
 Tutorials:
+---------------
 
 Mastering Chip 8 by Matthew Mikolay
 http://mattmik.com/chip8.html
 
 How to Write an Emulator (Chip-8 Interpreter) by Laurence Muller
 http://www.multigesture.net/articles/how-to-write-an-emulator-chip-8-interpreter/
 
+About:
+--------------
+
 Key mapping is based on hexadecimal keypad:
 
 |1|2|3|C|	=>	|1|2|3|4|
@@ -31,7 +35,9 @@ Pong:
 4 -> P2 UP
 R -> P2 DOWN
 
-<i>TODO:</i>
+To-Do:
+---------------
+
 * change gameplay speed to be more playable
 * add header file support for Win/Linux
 * add makefiles for Win/Linux