README.md in rails-settings-cached-0.2.4 vs README.md in rails-settings-cached-0.3.0

@@ -23,10 +23,18 @@
 
 ```bash
 $ rails g settings <settings_name>
 ```
 
+Note: If you migrating from gem `rails-settings` then make sure you have it in your model
+
+```ruby
+class Settings < RailsSettings::CachedSettings
+  ...
+end
+```
+
 Now just put that migration in the database with:
     
 ```bash
 rake db:migrate
 ```
@@ -99,10 +107,10 @@
 ```
 
 Init defualt value in database, this has indifferent with `Setting.defaults[:some_setting]`, this will **save the value into database**:
 
 ```ruby
-Setting.save_default(:some_key) = "123"
+Setting.save_default(:some_key, "123")
 Setting.where(:var => "some_key").count
 => 1
 Setting.some_key 
 => "123"
 ```