Link to Stylus instead of Stylish

Fix #17

README.md

@@ -9,8 +9,8 @@ If you have a Wikipedia account, open your [Preferences](https://en.wikipedia.or
 Paste the contents of [`style.css`](https://raw.githubusercontent.com/AndrewBelt/WiTeX/master/style.css) into the editor, and save.
 For better alignment of mathematical equations, enable MathML or Mathjax in the Appearance tab.
 
-Alternatively, you can load the CSS using a browser plugin (such as [Stylish for Firefox](https://addons.mozilla.org/en-US/firefox/addon/stylish/?src=external-userstyleshome) or [Stylish for Chrome](https://chrome.google.com/webstore/detail/fjnbnpbmkenffdnngjfgmeleoegfcffe)) for the domain `https?://*.wikipedia.org`.
+Alternatively, you can load the CSS using a browser plugin (such as [Stylus](https://github.com/openstyles/stylus), [for Firefox](https://addons.mozilla.org/firefox/addon/styl-us/) or [for Chrome](https://chrome.google.com/webstore/detail/stylus/clngdbkpkpeebahjckkjfobafhncgmne)) for the domain `https?://*.wikipedia.org`.
 
 
 #### I want the old Wikipedia design back!
-While logged in, go to the [edit `vector.css` page](https://en.wikipedia.org/w/index.php?title=Special:MyPage/vector.css&action=edit), delete the contents, and save.
+While logged in, go to the [edit `vector.css` page](https://en.wikipedia.org/w/index.php?title=Special:MyPage/vector.css&action=edit), delete the contents, and save.