README.md in fluent-plugin-elb-access-log-0.4.3 vs README.md in fluent-plugin-elb-access-log-0.4.4

@@ -50,9 +50,10 @@
   #elb_type clb # or alb
   #filter elb_status_code:^2,timestamp:^2018
   #filter_operator and # or "or"
   #type_cast true
   #parse_request true
+  #split_addr_port true
 </source>
 ```
 
 ## Outout