update docs (#32545)

diff --git a/README.md b/README.md
index 9238869..4a3b4de 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Build Status - Cirrus][]][Build status]
 [![Gitter Channel][]][Gitter badge]
+[![Twitter handle][]][Twitter badge]
 
 Flutter is Google's SDK for crafting beautiful, fast user experiences for
 mobile, web and desktop from a single codebase. Flutter works with existing
@@ -72,6 +73,8 @@
 [Build status]: https://cirrus-ci.com/github/flutter/flutter/master
 [Gitter Channel]: https://badges.gitter.im/flutter/flutter.svg
 [Gitter badge]: https://gitter.im/flutter/flutter?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+[Twitter handle]: https://img.shields.io/twitter/follow/flutterdev.svg?style=social&label=Follow
+[Twitter badge]: https://twitter.com/intent/follow?screen_name=flutterdev
 [layered architecture]: https://flutter.dev/docs/resources/inside-flutter
 [widget catalog]: https://flutter.dev/widgets/
 [Reflectly hero image]: https://github.com/flutter/website/blob/master/src/images/homepage/reflectly-hero-600px.png
@@ -85,4 +88,4 @@
 [Flutter packages]: https://pub.dev/flutter
 [FFI]: https://flutter.dev/docs/development/platform-integration/c-interop
 [platform channels]: https://flutter.dev/docs/development/platform-integration/platform-channels
-[interop example]: https://github.com/flutter/flutter/tree/master/examples/platform_channel
\ No newline at end of file
+[interop example]: https://github.com/flutter/flutter/tree/master/examples/platform_channel