diff --git a/lib/datastore.js b/lib/datastore.js
index 40ae874..ae568bf 100644
--- a/lib/datastore.js
+++ b/lib/datastore.js
@@ -480,6 +480,18 @@ Datastore.prototype.remove = function () {
   this.executor.push({ this: this, fn: this._remove, arguments: arguments });
 };
 
+/*
+var db = new Datastore({ inMemoryOnly: true })
+
+//db.ensureIndex({ fieldName: 'tag' });
+
+db.insert({ tag: ['a', 'b', 'c'] }, function () {
+  db.find({ tag: 'b' }, function (err, item) {
+	console.log(err);
+	console.log(item);
+  });
+});
+*/
 
 
 module.exports = Datastore;