Update README.md

Author: m0gg

README.md

@@ -1,4 +1,4 @@
-# DartJs
+# Dart2Js
 
 ### Idea
 
@@ -31,4 +31,4 @@ Initialization takes either dart-sourcecode directly or an instance of `File` as
 an options-hash as second argument. `:dart2js_binary` and `:out_file` may be provided with the options-hash.
 
 `transcoder.compile` actually runs the `dart2js` command, the output of the run will be saved in `@result` and
-the final js stays in `@out_file` and may be read with `transcoder.get_js_content`.
+the final js stays in `@out_file` and may be read with `transcoder.get_js_content`.