Update README.md

Author: leostera

README.md

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 # Intro to Reason for Web
 
-> **NOTE**: This is an early alpha of the course that we are iterating on heavily. Please send us your feedback to hi@src.technology with the subject "Learning Lab Feedback" or just tweet at [@SRC_technology](https://twitter.com/SRC_technology).
+> **NOTE**: This is an early alpha of the course that we are iterating on heavily. Please send us your feedback to hi@src.technology or tweet to us at [@SRC_technology](https://twitter.com/SRC_technology).
 
 Hello and welcome to this Learning Lab on Reason where I will walk you through your first Reason project using ReasonReact. If you have used React.js before you should already know 90% of what you need — the course will help you out with the other 10%.