fix README

Author: hasezoey

README.md

@@ -4,26 +4,26 @@ Node-named is a lightweight DNS server written in pure javascript. It has
 limited support for the DNS spec, but aims to implement all of the *common*
 functionality that is in use today. 
 
-
-
 ## Creating a DNS Server
-```javascript
-    var named = require('./lib/index');
-    var server = named.createServer();
-    var ttl = 300;
-
-    server.listen(9999, '127.0.0.1', function() {
-      console.log('DNS server started on port 9999');
-    });
-
-    server.on('query', function(query) {
-      var domain = query.name();
-      console.log('DNS Query: %s', domain)
-      var target = new named.SOARecord(domain, {serial: 12345});
-      query.addAnswer(domain, target, ttl);
-      server.send(query);
-    });
+
+```js
+var named = require('./lib/index');
+var server = named.createServer();
+var ttl = 300;
+
+server.listen(9999, '127.0.0.1', function() {
+  console.log('DNS server started on port 9999');
+});
+
+server.on('query', function(query) {
+  var domain = query.name();
+  console.log('DNS Query: %s', domain)
+  var target = new named.SOARecord(domain, {serial: 12345});
+  query.addAnswer(domain, target, ttl);
+  server.send(query);
+});
 ```
+
 ## Creating DNS Records
 
 node-named provides helper functions for creating DNS records. 
@@ -32,12 +32,13 @@ of ['A', 'AAAA', 'CNAME', 'SOA', 'MX', 'NS', 'TXT, 'SRV']. It is important to
 remember that these DNS records are not permanently added to the server. 
 They only exist for the length of the particular request. After that, they are
 destroyed. This means you have to create your own lookup mechanism.
-```javascript
-    var named = require('node-named');
-    
-    var soaRecord = new named.SOARecord('example.com', {serial: 201205150000});
-    console.log(soaRecord);
+```js
+var named = require('node-named');
+
+var soaRecord = new named.SOARecord('example.com', {serial: 201205150000});
+console.log(soaRecord);
 ```
+
 ### Supported Record Types
 
 The following record types are supported
@@ -53,15 +54,15 @@ The following record types are supported
 
 ## Logging
 
-node-named uses [http://github.com/trentm/node-bunyan](bunyan) for logging.
+node-named uses [bunyan](http://github.com/trentm/node-bunyan) for logging.
 It's a lot nicer to use if you npm install bunyan and put the bunyan tool in
 your path. Otherwise, you will end up with JSON formatted log output by default.
 
 ### Replacing the default logger
 
 You can pass in an alternate logger if you wish. If you do not, then it will use
-bunyan by default. Your logger must expose the functions 'info', 'debug',
-'warn', 'trace', 'error', and 'notice'.
+bunyan by default. Your logger must expose the functions `info`, `debug`,
+`warn`, `trace`, `error`, and `notice`.
 
 ### TODO