README.md in pronto-eslint_npm-0.8.1 vs README.md in pronto-eslint_npm-0.9.0

@@ -37,9 +37,9 @@
 | files_to_lint     | What files to lint. Absolute path of offending file will be matched against this Regexp. | `(\.js|\.es6)$`                     |
 
 Example configuration to call custom eslint executable and only lint files ending with `.my_custom_extension`:
 
 ```yaml
-# .pronto_eslint_npm.yaml
+# .pronto_eslint_npm.yml
 eslint_executable: '/my/custom/node/path/.bin/eslint'
 files_to_lint: '\.my_custom_extension$'
 ```