Update instance list links

README.md

@@ -25,7 +25,7 @@ Inspired by the [invidio.us](https://github.com/omarroth/invidious) project.
 ## Resources
 
 The wiki contains a list of
-[Nitter instances](https://github.com/zedeus/nitter/wiki/Nitter-Instances) and
+[Nitter instances](https://github.com/zedeus/nitter/wiki/Instances) and
 a list of [browser extensions](https://github.com/zedeus/nitter/wiki/Extensions)
 maintained by the community.
 

public/md/about.md

@@ -12,7 +12,7 @@ privacy. The source is available on GitHub at <https://github.com/zedeus/nitter>
 * Native RSS feeds
 
 Nitter's GitHub wiki contains a list of
-[instances](https://github.com/zedeus/nitter/wiki/Nitter-Instances) and
+[instances](https://github.com/zedeus/nitter/wiki/Instances) and
 a [browser extensions](https://github.com/zedeus/nitter/wiki/Extensions)
 maintained by the community.