README.md in airtable2-0.2.7 vs README.md in airtable2-0.2.8

@@ -106,9 +106,17 @@
 @table.create_records({ 'Name': 'name value', 'Age': 35 })
 # Array
 @table.create_records([{ 'Name': 'name value', 'Age': 35 }, { 'Name': 'another name value', 'Age': 40 }])
 ```
 
+You can upsert records by calling `upsert_records` and providing the field names to match to (also max 10 at a time):
+
+```ruby
+# Array
+records_to_upsert = [{ 'Name': 'name value', 'Age': 35 }, { 'Name': 'another name value', 'Age': 40 }]
[e-mail]_records(records_to_upsert, ['Name'])
+```
+
 A single record or an array of records can be destroyed by passing their ids to the `delete_records` method on a table (max 10 at a time):
 
 ```ruby
 @records = @table.records
 # Single