README.md in active_merchant-epsilon-0.10.0 vs README.md in active_merchant-epsilon-0.11.0

@@ -343,9 +343,14 @@
 else
   raise StandardError, response.message
 end
 ```
 
+### Epsilon Link Payment Void Transaction
+```ruby
+gateway.void('order_number')
+```
+
 ### Error handling
 
 If epsilon server returns status excepted 200, `#purchase` method raise `ActiveMerchant::ResponseError`.
 
 When your request parameters are wrong(e.g. contract_code), the method returns failure response.