README.md in yao-0.13.2 vs README.md in yao-0.13.3

@@ -32,10 +32,11 @@
   password    "tonk0tsu-r@men"
 
   # timeout is optional
   timeout     300
 
-  # If your endpoint requires cert & key
+  # If your endpoint requires cacert,cert and key
+  ca_cert "/path/to/my.ca"
   client_cert "/path/to/my.pem"
   client_key "/path/to/my.key"
 
   # If you want to change region
   region_name "FukuokaRegion"