DOCSP-19158: update wording on landing page (#264)

* DOCSP-19158: update wording on landing page

(cherry picked from commit f93eaff)

Author: Chris Cho

source/index.txt

@@ -24,15 +24,15 @@ MongoDB Node Driver
 Introduction
 ------------
 
-Welcome to the MongoDB Node.js driver documentation. 
+Welcome to the official MongoDB Node.js driver documentation.
 
 Connect your Node.js applications to MongoDB and work with your data
-using the official Node.js driver. The driver features an asynchronous
-API that you can use to access method return values through Promises or
-specify callbacks to access them when communicating with MongoDB.
+using the Node.js driver. The driver features an asynchronous API that you can
+use to access method return values through Promises or specify callbacks to
+access them when communicating with MongoDB.
 
 On this page, you can find descriptions of each section of the driver
-documentation and how to learn more about the Node.js driver.
+documentation.
 
 Quick Start
 -----------
@@ -120,4 +120,4 @@ Take the free online course taught by MongoDB instructors
      - `M220JS: MongoDB for JavaScript Developers <https://university.mongodb.com/courses/M220JS/about>`_
         Learn the essentials of Node.js application development with
         MongoDB.
-        
+