README.md in rundock-0.5.8 vs README.md in rundock-1.0.0

@@ -30,9 +30,10 @@
   host: 192.168.1.12
   ssh_opts:
     port: 2222
     user: anyuser
     keys: ["~/.ssh/id_rsa_anyuser"]
+    ssh_config: "/home/anyuser/custom_config"
 ```
 
 and execute rundock.
 
     $ rundock ssh -g /path/to/your-dir/targetgroup.yml -c 'your-gread-command'