Grammar fix

Author: gaearon

README.md

@@ -1,6 +1,6 @@
 # React Core Meeting Notes
 
 React Core team meets once a week to discuss the development of React, future plans, and priorities.  
-These notes are relatively new and started on March, 2016. You can find an archive of older notes [here](https://discuss.reactjs.org/c/meeting-notes).
+These notes are relatively new and started in March, 2016. You can find an archive of older notes [here](https://discuss.reactjs.org/c/meeting-notes).
 
 The repo format is inspired by [Ember Core Notes](https://github.com/emberjs/core-notes).