Update README.md

Author: kfarnung

README.md

@@ -5,14 +5,18 @@ GitHub-compatible Markdown file.
 
 ## Install
 
-### Firefox
+### Edge
 
-Install from [Add-ons for Firefox](https://addons.mozilla.org/en-US/firefox/addon/aoc-to-markdown/).
+Install from [Microsoft Edge Addons](https://microsoftedge.microsoft.com/addons/detail/advent-of-code-to-markdow/deadbipfmnjnhepbnpdkmkhakgfejpol).
 
-### Chrome/Edge
+### Chrome
 
 Install from the [Chrome Web Store](https://chrome.google.com/webstore/detail/advent-of-code-to-markdow/bhhioamnpnhgcakbdnkgmnjjbjolfjmj).
 
+### Firefox
+
+Install from [Add-ons for Firefox](https://addons.mozilla.org/en-US/firefox/addon/aoc-to-markdown/).
+
 ## Build
 
 See [BUILDING.md](BUILDING.md) for detailed instructions.