- Resolve #485 use sheet index instead of ID

-  added 3 internal function: getSheetID, getActiveSheetID, getSheetNameByID

1 files changed, 7 insertions, 2 deletions

diff --git a/README.md b/README.md
index 821bbd7..b3106df 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,7 @@
 
 ## Introduction
 
-Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLSX files. Supports reading and writing XLSX file generated by Microsoft Excel™ 2007 and later.
-Supports saving a file without losing original charts of XLSX. This library needs Go version 1.10 or later. The full API docs can be seen using go's built-in documentation tool, or online at [go.dev](https://pkg.go.dev/github.com/360EntSecGroup-Skylar/excelize/v2?tab=doc) and [docs reference](https://xuri.me/excelize/).
+Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLSX / XLSM / XLTM files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data. This library needs Go version 1.10 or later. The full API docs can be seen using go's built-in documentation tool, or online at [go.dev](https://pkg.go.dev/github.com/360EntSecGroup-Skylar/excelize/v2?tab=doc) and [docs reference](https://xuri.me/excelize/).
 
 ## Basic Usage
 
@@ -24,6 +23,12 @@ Supports saving a file without losing original charts of XLSX. This library need
 go get github.com/360EntSecGroup-Skylar/excelize
 ```
 
+- If your package management with [Go Modules](https://blog.golang.org/using-go-modules), please install with following command.
+
+```bash
+go get github.com/360EntSecGroup-Skylar/excelize/v2
+```
+
 ### Create XLSX file
 
 Here is a minimal example usage that will create XLSX file.