Add note that bootstrap nodes default to Pear.config.dht.bootstrap …

…1st (#206)

README.md

@@ -69,7 +69,7 @@ Options include:
 ```js
 {
   // Optionally overwrite the default bootstrap servers, just need to be an array of any known dht node(s)
-  // Defaults to ['[email protected]:49737', '[email protected]:49737', '[email protected]:49737']
+  // Defaults to Pear.config.dht.bootstrap in a Pear app or ['[email protected]:49737', '[email protected]:49737', '[email protected]:49737'] elsewhere
   // Supports suggested-IP to avoid DNS calls: [suggested-IP@]<host>:<port>
   bootstrap: ['host:port'],
   keyPair, // set the default key pair to use for server.listen and connect