Simplify the DNS usage example.

website/api.txt

@@ -1010,16 +1010,13 @@ necessary in case of errors (parse error or so).
 
 === DNS
 
-Here is an example of which reads domains from the command line, resolves
+Here is an example of which resolves +"www.google.com"+ then reverse
-them, then reverse resolves the IP addresses returned.
+resolves the IP addresses which are returned. 
 
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-for (var i = 2; i < ARGV.length; i++) {
+var resolution = node.dns.resolve4("www.google.com");
-  var name = ARGV[i]
-  puts("looking up " + name);
-  var resolution = node.dns.resolve4(name);
 
-  resolution.addCallback(function (addresses, ttl, cname) {
+resolution.addCallback(function (addresses, ttl, cname) {
   puts("addresses: " + JSON.stringify(addresses));
   puts("ttl: " + JSON.stringify(ttl));
   puts("cname: " + JSON.stringify(cname));
@@ -1034,12 +1031,11 @@ for (var i = 2; i < ARGV.length; i++) {
       puts("reverse for " + a + " failed: " + msg);
     });
   }
-  });
+});
 
-  resolution.addErrback(function (code, msg) {
+resolution.addErrback(function (code, msg) {
   puts("error: " + msg);
-  });
+});
-}
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