diff --git a/README.md b/README.md
index ca9b63c2..d6eba2aa 100644
--- a/README.md
+++ b/README.md
@@ -395,16 +395,13 @@ module ERBLint
       end
       self.config_schema = ConfigSchema
 
-      def offenses(processed_source)
-        errors = []
+      def run(processed_source)
         unless processed_source.file_content.include?('this file is fine')
-          errors << Offense.new(
-            self,
-            processed_source.to_source_range(0 ... processed_source.file_content.size),
+          add_offense(
+            processed_source.to_source_range(0...processed_source.file_content.size),
             "This file isn't fine. #{@config.custom_message}"
           )
         end
-        errors
       end
     end
   end