Sintaxe alternative to send data into the body (#2317)

README.md

@@ -286,6 +286,11 @@ These are the available config options for making requests. Only the `url` is re
   data: {
     firstName: 'Fred'
   },
+  
+  // sintaxe alternative to send data into the body
+  // method post
+  // only the value is sent, not the key
+  data: 'Country=Brasil&City=Belo Horizonte',
 
   // `timeout` specifies the number of milliseconds before the request times out.
   // If the request takes longer than `timeout`, the request will be aborted.