docs: update README

Author: rigofunc

README.md

@@ -7,7 +7,7 @@ Using `Fluent API` to configure POCO excel behaviors, and then provides IEnumera
 The first features will be very useful for English not their mother language developers.
 
 # IMPORTAMT
-1. The repo fork from my [NPOI.Extension](https://github.com/xyting/NPOI.Extension), and remove all the attributes based features (but can be extended, see the following demo), and will only support `Fluent API`.
+1. This repo fork from my [NPOI.Extension](https://github.com/xyting/NPOI.Extension), and remove all the attributes based features (but can be extended, see the following demo), and will only support `Fluent API`.
 2. All the issues found in [NPOI.Extension](https://github.com/xyting/NPOI.Extension) will be and only be fixed by [FluentExcel](https://github.com/Arch/FluentExcel), so, please update your codes use `FluentExcel`.
 
 # Overview