TASK: Update beta branch in docs

docs/CustomExpeditions/README.md

@@ -2,7 +2,7 @@
 
 > NOTE: Custom expeditions are currently in **BETA** and are not yet part of the current AER production build.
 > If you want to help out and test the feature or already want to start creating content, feel free to check out
-> the [beta branch](https://5e906d04bf62a2a3ffe08039--aer.netlify.com/).
+> the [beta branch](https://5e90772a9dcf91189f5e71e4--aer.netlify.com/expeditions).
 > For feedback simply open an issue on github, post a comment in this [board game geek thread](https://boardgamegeek.com/thread/2404906/article/34504340#34504340) or send me a PM via [![Official Aeons End Discord](https://img.shields.io/badge/AE%20Discord-https%3A%2F%2Fdiscord.gg%2FPvjcfPt-%237289DA.svg?style=flat-squar)](https://discord.gg/PvjcfPt).
 
 Custom expeditions are a new AER 3.0 feature that allows the import of expedition JSON configurations. These configurations make it possible to define the content of an expedition, including: