README.md in rubocop-faker-1.1.0 vs README.md in rubocop-faker-1.2.0

@@ -52,10 +52,20 @@
 ```
 
 Auto-correction to keyword argument style on Faker 2.
 
 ```console
-% rubocop --require rubocop-faker --only Faker/DeprecatedArguments --auto-correct
+% rubocop --require rubocop-faker --only Faker/DeprecatedArguments --autocorrect
+```
+
+### RuboCop configuration file
+
+Add `rubocop-faker` to required extension.
+
+```yaml
+# .rubocop.yml
+require:
+  - rubocop-faker
 ```
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/koic/rubocop-faker.