README.md in active_model_cachers-2.0.1 vs README.md in active_model_cachers-2.0.2

@@ -130,10 +130,13 @@
 # clean the cache by name
 current_user.cacher.clean(:profile)
 
 # Or calling the clean_* method
 current_user.cacher.clean_profile
+
+# clean the cache without loading model
+User.cacher_at(user_id).clean_profile
 ```
 
 ## Smart Caching
 
 ### Multi-level Cache
@@ -164,10 +167,10 @@
 end
 
 @profile = current_user.cacher.profile
 
 # directly get profile without loading user.
-@profile = User.cacher_at(profile_id).profile
+@profile = User.cacher_at(user_id).profile
 ```
 
 ### Caching Polymorphic Associations
 
 TODO