Update README.md

Author: damack

README.md

@@ -10,7 +10,7 @@ This project is bringing creation and querying of geospatial data to Node JS dev
 * **Basic CRUD Operations:** Create, update, and delete geospatial data items.
 
 ## Installation
-Using [npm]:
+Using npm:
 `npm install --save datastore-geo`.
 
 ## Getting started
@@ -27,6 +27,7 @@ const datastore = new Datastore({
 Next you must create an instance of GeoDataManager to query and write to the table, but you must always provide a `Datastore` instance and a table name.
 
 ```js
+const geoDataManager = require('datastore-geo');
 const geoDataManager = new GeoDataManager(datastore, {
     hashKeyLength: 2,
     namespace: 'optional',