diff --git a/packages/react-scripts/README.md b/packages/react-scripts/README.md
index 8004b887004..5a677c91832 100644
--- a/packages/react-scripts/README.md
+++ b/packages/react-scripts/README.md
@@ -3,5 +3,39 @@
This package includes scripts and configuration used by [Create React App](https://github.com/facebookincubator/create-react-app).
Please refer to its documentation:
+
+The following are also configurable:
+
+collectCoverageFrom
+coverageReporters
+coverageThreshold
+snapshotSerializers
+
+Add any of the above to a Jest config in package.json
+
+for instnace:
+
+``json
+ {
+ "name": "your-package",
+ "jest": {
+ "collectCoverageFrom" : [
+ "src/**/*.{js,jsx}",
+ "!/node_modules/",
+ "!/path/to/dir/"
+ ],
+ "coverageThreshold": {
+ "global": {
+ "branches": 90,
+ "functions": 90,
+ "lines": 90,
+ "statements": 90
+ }
+ },
+ "coverageReporters": ["text"],
+ "snapshotSerializers": ["my-serializer-module"]
+ }
+ }
+
* [Getting Started](https://github.com/facebookincubator/create-react-app/blob/master/README.md#getting-started) – How to create a new app.
-* [User Guide](https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md) – How to develop apps bootstrapped with Create React App.
+* [User Guide](https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md) – How to develop apps bootstrapped with Create React App.
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