diff --git a/README.rdoc b/README.rdoc
index 34f683a..f45c392 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -26,7 +26,7 @@ The gem is tested with:
 
 Migration:
 
-  rails g model video name:string encoding:attached
+  rails g model video name:string encoding:attachment
 
   class CreateVideo < ActiveRecord::Migration
     def self.up