Update README.md

Author: aduguid

README.md

@@ -93,7 +93,7 @@ How to install the VSTO version
 |Software                        |Dependency                 |Project                    |
 |:-------------------------------|:--------------------------|:--------------------------|
 |[Microsoft Visual Studio Community 2017](https://www.visualstudio.com/vs/whatsnew/)|Solution|VSTO|
-|[Microsoft Office Developer Tools](https://blogs.msdn.microsoft.com/visualstudio/2015/11/23/latest-microsoft-office-developer-tools-for-visual-studio-2015/)|Solution|VSTO|
+|[Microsoft Office Developer Tools](https://visualstudio.microsoft.com/vs/features/office-tools/)|Solution|VSTO|
 |[Microsoft Excel 2010 (or later)](https://www.microsoft.com/en-au/software-download/office)|Project|VBA, VSTO|
 |[Visual Basic for Applications](https://msdn.microsoft.com/en-us/vba/vba-language-reference)|Code|VBA|
 |[Extensible Markup Language (XML)](https://www.rondebruin.nl/win/s2/win001.htm)|Ribbon|VBA, VSTO|