Webfinger.md

-Webfinger is an HTTP based protocol whose aim is to discover information on resources represented by an email like identifier. More details on this protocol can be found [[here | http://code.google.com/p/webfinger/wiki/WebFingerProtocol]].
+Webfinger is an HTTP based protocol whose aim is to discover information on resources represented by an email like identifier. 
+
+**Spec:** <http://code.google.com/p/webfinger/wiki/WebFingerProtocol>.
 
 ## lookup(identifier, callback);
 
@@ -36,6 +38,7 @@ _this could definitively be improved_
 
 Example:
 
+    var Ostatus = require('ostatus');
     Ostatus.webfinger.hostXrd("example.com", function(err, result) {
       console.log(result);
     });
@@ -46,6 +49,7 @@ Render the user's XRD with the provided Subject, Alias and Links. In practice, i
 
 Example:
 
+    var Ostatus = require('ostatus');
     var links = [
 	     {
 	    	 rel:  "http://microformats.org/profile/hcard",
@@ -56,6 +60,7 @@ Example:
 	    	 href: "http://example.com/salmon/user"
 	     }
     ]
+
     Ostatus.webfinger.userXrd("acct:user@example.com", "http://example.com/user", links, function(err, result) {
       console.log(result);
     });