README.md in disco-0.2.3 vs README.md in disco-0.2.4

@@ -44,17 +44,17 @@
 ])
 ```
 
 > Use `value` instead of rating for implicit feedback
 
-Get user-based (user-item) recommendations - “users like you also liked”
+Get user-based recommendations - “users like you also liked”
 
 ```ruby
 recommender.user_recs(user_id)
 ```
 
-Get item-based (item-item) recommendations - “users who liked this item also liked”
+Get item-based recommendations - “users who liked this item also liked”
 
 ```ruby
 recommender.item_recs(item_id)
 ```
 
@@ -281,20 +281,34 @@
 
 This should be called after fitting or loading the model.
 
 ## Reference
 
+Get ids
+
+```ruby
+recommender.user_ids
+recommender.item_ids
+```
+
 Get the global mean
 
 ```ruby
 recommender.global_mean
 ```
 
-Get the factors
+Get factors
 
 ```ruby
 recommender.user_factors
 recommender.item_factors
+```
+
+Get factors for specific users and items
+
+```ruby
+recommender.user_factors(user_id)
+recommender.item_factors(item_id)
 ```
 
 ## Credits
 
 Thanks to: