README.md in form_api-0.1.3 vs README.md in form_api-0.1.4

@@ -22,11 +22,11 @@
 ```
 
 
 ## Usage
 
-See [examples](examples/) for runnable examples.
+See [examples](examples/) for some runnable examples.
 
 ```ruby
 FormAPI.configure do |config|
   config.username = "YOUR_API_TOKEN_ID"
   config.password = "YOUR_API_TOKEN_SECRET"
@@ -39,9 +39,12 @@
   test: true,                        # Test documents are free but watermarked
   wait: true,                        # Wait for the PDF to be processed   (default: true)
   data: {                            # Data to render in the template
     name: "foo",
     number: 42
+  },
+  metadata: {                        # Custom data to include in the request, for your own purposes
+    user_id: 123
   }
 )
 
 # {
 #   status: "success",