README.md in puree-0.15.0 vs README.md in puree-0.16.0

@@ -30,17 +30,23 @@
 
 ```ruby
 metadata['doi']
 ```
 
-### Collection of 50 resources
+...or using a method...
+
+```ruby
+d.doi
+```
+
+### Collection of resources
 Tell Purée what you are looking for...
 
 ```ruby
 c = Puree::Collection.new resource: :dataset
 metadata = c.find limit: 50
 ```
-...and get the data from an array of hashes.
+...and get the data from an array of hashes or from an array of instances.
 
 ## Documentation
 [API in YARD](http://www.rubydoc.info/gems/puree/frames)
 
 [Detailed usage](https://github.com/lulibrary/puree/wiki)