How do I change language settings on the MS Word add-in?

Want to switch between US, UK, or Canadian English in the ProWritingAid MS Word Add-In? Simply open a Word document, then click "Review" in the upper navigation bar. Next, click "Language." Finally, click "Set Proofing Language." Select the dialect of your choice and you'll be all set. Here's a screenshot for the visual learners out there:

Enjoy!