README.md in api_client-0.5.12 vs README.md in api_client-0.5.13

@@ -119,9 +119,16 @@
   Allows setting headers in the request. Useful when you need to add a token
   as the header
 
   It returns a ApiClient::Scope object attached to a class you started with.
 
+* ApiClient::Base.raw_body(body = nil)
+
+  Allows setting non-hash body in the request. Useful for binary payloads.
+  Notice: it overrides all parameters set via params method!
+
+  It returns a ApiClient::Scope object attached to a class you started with.
+
 All of these methods return a ApiClient::Scope object. When you call any request
 methods on this object (get, post, put, delete), the request will apply the
 options, params and headers.
 
 ### Examples