Proper noun

Office Business Applications is proper noun in this context.

Author: k-ujihara

docs/vsto/create-vsto-add-ins-for-office-by-using-visual-studio.md

@@ -95,7 +95,7 @@ ms.workload:
  [Visual Studio developer center](http://go.microsoft.com/fwlink/?LinkID=99124)  
  Provides additional Visual Studio resources such as technical articles, videos, and blogs.  
 
- [Office business applications developer portal](http://go.microsoft.com/fwlink/?LinkId=99125)  
+ [Office Business Applications developer portal](http://go.microsoft.com/fwlink/?LinkId=99125)  
  Provides information about Office Business Applications (OBAs) and how to build them by using the Office system platform.  
 
  [Microsoft Office development section of the MSDN library](http://go.microsoft.com/fwlink/?LinkId=149870)