Merge pull request #528 from carlosfaria94/patch-1

Update storage.js

lib/storage.js

@@ -87,12 +87,12 @@ Storage.prototype.connect = function(opts, cb) {
   var config = opts.mongoDb || {};
   mongodb.MongoClient.connect(config.uri, function(err, db) {
     if (err) {
-      log.error('Unable to connect to the mongoDB server on ', config.uri);
+      log.error('Unable to connect to the mongoDB. Check the credentials.');
       return cb(err);
     }
     self.db = db;
     self._createIndexes();
-    console.log('Connection established to ', config.uri);
+    console.log('Connection established to mongoDB');
     return cb();
   });
 };