Fix broken link for xlsxwriter
diff --git a/README.md b/README.md
index 16df7591a..280f4c488 100644
--- a/README.md
+++ b/README.md
@@ -225,7 +225,7 @@ Inspired by [awesome-php](https://github.com/ziadoz/awesome-php).
     * [python-docx](https://github.com/python-openxml/python-docx) - Reads, queries and modifies Microsoft Word 2007/2008 docx files.
     * [relatorio](http://relatorio.tryton.org/) - Templating OpenDocument files.
     * [unoconv](https://github.com/dagwieers/unoconv) - Convert between any document format supported by LibreOffice/OpenOffice.
-    * [XlsxWriter](https://xlsxwriter.readthedocs.org/en/latest/) - A Python module for creating Excel .xlsx files.
+    * [XlsxWriter](https://xlsxwriter.readthedocs.io) - A Python module for creating Excel .xlsx files.
     * [xlwings](http://xlwings.org/) - A BSD-licensed library that makes it easy to call Python from Excel and vice versa.
     * [xlwt](https://github.com/python-excel/xlwt) / [xlrd](https://github.com/python-excel/xlrd) - Writing and reading data and formatting information from Excel files.
 * PDF

Fix a link
