minor: javascript syntax error

Author: Sam Kleinman

source/administration/sharding.txt

@@ -607,32 +607,32 @@ cluster`, do the following:
 
    .. code-block:: javascript
 
-      db.locks.find( { _id : "balancer" } ).pretty;
+      db.locks.find( { _id : "balancer" } ).pretty()
 
    You can also use the following shell helper to return the same
    information:
 
    .. code-block:: javascript
 
-      sh.getBalancerState().pretty
+      sh.getBalancerState().pretty()
 
 When this command returns, you will see output like the following:
 
 .. code-block:: javascript
 
    {   "_id" : "balancer",
-   "process" : "guaruja:1292810611:1804289383",
+   "process" : "mongos0.example.net:1292810611:1804289383",
      "state" : 2,
         "ts" : ObjectId("4d0f872630c42d1978be8a2e"),
       "when" : "Mon Dec 20 2010 11:41:10 GMT-0500 (EST)",
-       "who" : "guaruja:1292810611:1804289383:Balancer:846930886",
+       "who" : "mongos0.example.net:1292810611:1804289383:Balancer:846930886",
        "why" : "doing balance round" }
 
 
 Here's what this tells you:
 
 - The balancer originates from the :program:`mongos` running on the
-  system with the hostname ``guaruja``.
+  system with the hostname ``mongos0.example.net``.
 
 - The value in the ``state`` field indicates that a :program:`mongos`
   has the lock. For version 2.0 and later, the value of an active lock