diff --git a/packages/create-react-app/package.json b/packages/create-react-app/package.json
index 86bd258f736..f1f90d099b8 100644
--- a/packages/create-react-app/package.json
+++ b/packages/create-react-app/package.json
@@ -25,7 +25,7 @@
     "commander": "^2.9.0",
     "cross-spawn": "^4.0.0",
     "envinfo": "3.4.2",
-    "fs-extra": "^5.0.0",
+    "fs-extra": "^1.0.0",
     "hyperquest": "^2.1.2",
     "react-dev-utils": "^5.0.0",
     "semver": "^5.0.3",
diff --git a/packages/react-scripts/template/README.md b/packages/react-scripts/template/README.md
index 5f00b482f59..c47b662b75d 100644
--- a/packages/react-scripts/template/README.md
+++ b/packages/react-scripts/template/README.md
@@ -351,7 +351,7 @@ Next we add a 'lint-staged' field to the `package.json`, for example:
   "scripts": {
 ```
 
-Now, whenever you make a commit, Prettier will format the changed files automatically. You can also run `./node_modules/.bin/prettier --single-quote --write "src/**/*.{js,jsx}"` to format your entire project for the first time.
+Now, whenever you make a commit, Prettier will format the changed files automatically. You can also run `./node_modules/.bin/prettier --single-quote --write "src/**/*.{js,jsx,json,css}"` to format your entire project for the first time.
 
 Next you might want to integrate Prettier in your favorite editor. Read the section on [Editor Integration](https://prettier.io/docs/en/editors.html) on the Prettier GitHub page.