README.md 업데이트

README.md

@@ -4,7 +4,9 @@ Decrypts Amtrak's GTFS-RT
 A valid Amtrak GTFS structure must be passed into the function to work.
 
 Here's an example of some working code!
-Note that `prost` version `0.11` should be used, as `gtfs-rt` does not use `0.12` yet.
+
+The latest version of prost should be used along with the `gtfs-realtime` crate library.
+
 ```rust 
 extern crate amtrak_gtfs_rt;