diff --git a/README.md b/README.md
index fb510d6..21680e3 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ or if you prefer storing the config elsewhere, in a yml file for example:
 
 ```ruby
 # config/initializers/better_html.rb
-BetterHtml.config = BetterHtml::Config.new(YAML.load(File.read('/path/to/.better-html.yml')))
+BetterHtml.config = BetterHtml::Config.new(YAML.load_file(file_path, permitted_classes: [Regexp]))
 ```
 
 Available configuration options are: