CONTRIBUTING.md

Author: AllenFang

CONTRIBUTING.md

@@ -12,6 +12,7 @@ Additionally, asking questions and requesting new features are welcomed via [iss
 # Pull Requests
 Check [here](./docs/development.md) for getting started with development.
 
+* PR base is `develop` branch
 * We recommend filing an [issue](https://github.com/react-bootstrap-table/react-bootstrap-table2/issues) before you implement any new features.
 * Please ensure that all the test suites have passed before submitting a PR. Besides, always test the actual business logic.
 * If your PR is trying to fix a bug, please describe the details as much as you could and tag the bug number with hashtag.