[
  {
    "host": "myhost",
    "user": "myuser",
    "key": "path/to/mykey",
    "labels": [ "mylabel1", "mylabel2" ]
  },
  {
    "host": "yourhost",
    "user": "youruser",
    "key": "path/to/yourkey",
    "labels": [ "yourlabel1", "yourlabel2" ]
  }
]

[
  {
    "host": "myhost",
    "desc": "myhostdescription",
    "user": "myuser",
    "key": "path/to/mykey",
    "labels": [ "mylabel1", "mylabel2" ]
  },
  {
    "host": "yourhost",
    "desc": "yourhostdescription",
    "user": "youruser",
    "key": "path/to/yourkey",
    "labels": [ "yourlabel1", "yourlabel2" ]
  }
]

Add desc field in sample config.
Add desc field in sample config.
