Update ReadMe.md

Rewritten English description

Author: cary-rowen

ReadMe.md

@@ -3,4 +3,6 @@
 [中文说明](documentation/ReadMe.md)
 [更新日志](documentation/changes.md)
 
-This program is created based on the official version of NVDA, mainly modifying individual options that affect the use of simplified Chinese users, and integrating some of the more commonly used add-ons and speech.
+This edition is a repackaging of the original [NVDA][NVDADownload] released by NV Access, with some default settings modified to better suit Simplified Chinese users. It integrates several add-ons and speech synthesizers commonly used by Simplified Chinese users for a more seamless experience.
+
+[NVDADownload]: https://www.nvaccess.org/download