README.md in ruby_universign-1.1.1 vs README.md in ruby_universign-1.2.0

@@ -116,9 +116,10 @@
 identification_type
 handwritten_signature
 profile
 final_doc_sent
 final_doc_requester_sent
+chaining_mode
 ```
 
 Default options are:
 ```ruby
 {