Updates README due to branch rename

README.md

@@ -107,15 +107,15 @@ Have you had a good experience with this project? Why not share some love and co
 We welcome issue reports [here](../../issues); be sure to choose the proper issue template for your issue, so that we can be sure you're providing the necessary information.
 
 Before sending a [Pull Request](../../pulls), please make sure you read our
-[Contribution Guidelines](https://github.com/bloomberg/.github/blob/master/CONTRIBUTING.md).
+[Contribution Guidelines](https://github.com/bloomberg/.github/blob/main/CONTRIBUTING.md).
 
 ## License
 
 Please read the [LICENSE](LICENSE) file.
 
 ## Code of Conduct
 
-This project has adopted a [Code of Conduct](https://github.com/bloomberg/.github/blob/master/CODE_OF_CONDUCT.md).
+This project has adopted a [Code of Conduct](https://github.com/bloomberg/.github/blob/main/CODE_OF_CONDUCT.md).
 If you have any concerns about the Code, or behavior which you have experienced in the project, please
 contact us at [email protected].