updated readme

README.md

@@ -1,17 +1,7 @@
 # ev3-chassis
 
-Controlling a chassis-like EV3 robot
+Controlling a bidirectional drive robot build using LEGO MINDSTORMS EV3.
 
-## TODO
-
-- [ ] Add a reference for your blocks here
-- [ ] Add "icon.png" image (300x200) in the root folder
-- [ ] Add "- beta" to the GitHub project description if you are still iterating it.
-- [ ] Turn on your automated build on https://travis-ci.org
-- [ ] Use "pxt bump" to create a tagged release on GitHub
-- [ ] Get your package reviewed and approved https://makecode.legoeducation.com/packages/approval
-
-Read more at https://makecode.legoeducation.com/packages/build-your-own
 
 ## License
 
@@ -19,6 +9,7 @@ MIT
 
 ## Supported targets
 
-* for PXT/linux
+* for PXT/ev3
+
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