diff --git a/readme.md b/readme.md
index 218e342..2c9b742 100644
--- a/readme.md
+++ b/readme.md
@@ -25,7 +25,7 @@ npm i table-export --save
 
 ```javascript
 var tableExport = require('table-export');
-// dom id, filename, type: json, txt, csv, xml, doc, xsl, image, pdf
+// dom id, filename, type: json, txt, csv, xml, doc, xls, image, pdf
 tableExport('table1', 'test', 'image');
 ```
 
@@ -41,4 +41,4 @@ npm run dev
 
 // 构建个人版本
 MODULES='doc xls image' npm run build
-```
\ No newline at end of file
+```