fix json typo in documentation
@ -31,7 +31,7 @@ When the external node script is called with the single argument ``--list``, the
"vars" : {
"b" : false
},
"children": [ "marietta", "5points" ],
"children": [ "marietta", "5points" ]
"marietta" : [ "host6.example.com" ],
"5points" : [ "host7.example.com" ]