Update README.md

Author: soulWritesCode

README.md

@@ -1,10 +1,10 @@
 # bf.c
 
-A lightweight [brainfuck](https://en.wikipedia.org/wiki/Brainfuck) interpreter in C.
+A lightweight [brainfuck](https://en.wikipedia.org/wiki/Brainfuck) to C compiler, made in C.
 
 ## Usage
 
 To use this, first compile it by running `make`, then use the `bf` binary on a file, like this:
 ```
-./bf main.bf
+./bf main.bf output.c
 ```