Update README.md

Author: aeharding

README.md

@@ -16,7 +16,7 @@ A mobile-first Lemmy web client
 
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 <p align="center">
-  <a href="https://matrix.to/#/#wefwef.app:matrix.org"><img src="https://img.shields.io/badge/chat-matrix-blue?style=flat&logo=matrix" alt="matrix chat"></a>
+  <a href="https://matrix.to/#/#vger.app:matrix.org"><img src="https://img.shields.io/badge/chat-matrix-blue?style=flat&logo=matrix" alt="matrix chat"></a>
 </p>
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