update readme

README.md

@@ -6,7 +6,8 @@ the version number follows Bitsy itself, so version 0.65.* targets Bitsy 6.5.
 
 ## how to use
 
-this sample program converts the player avatar to a smiley face.
+a simple example program:
+
 ```rust
 extern crate bitsy_parser;
 use std::{env, fs};
@@ -51,10 +52,6 @@ some more practical uses would be things like:
 
 ## todo
 
-### failing tests
-
-test_room_from_string shows an unexpected ordering for the items in the output of room::to_string
-
 ### tidy up
 
 * refactor the more shonky bits to idiomatic rust