Improve Flutter description (#1476)

readme.md

@@ -110,7 +110,7 @@
 	- [Core](https://github.com/thangchung/awesome-dotnet-core#readme)
 - [Amazon Alexa](https://github.com/miguelmota/awesome-amazon-alexa#readme) - Virtual home assistant.
 - [DigitalOcean](https://github.com/jonleibowitz/awesome-digitalocean#readme) - Cloud computing platform designed for developers.
-- [Flutter](https://github.com/Solido/awesome-flutter#readme) - Google’s mobile SDK for crafting native interfaces on iOS and Android.
+- [Flutter](https://github.com/Solido/awesome-flutter#readme) - Google's mobile SDK for building native iOS and Android apps from a single codebase written in Dart.
 - [Home Assistant](https://github.com/frenck/awesome-home-assistant#readme) - Open source home automation that puts local control and privacy first.