Update doc

Author: jcs090218

README.md

@@ -2,8 +2,9 @@
 [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 
 # flex
+> Flexible Matching Library
 
-Algorithm is extracted from [ido-better-flex](https://github.com/vic/ido-better-flex).
+Algorithm is extracted from package [ido-better-flex](https://github.com/vic/ido-better-flex).
 
 ## Usage