R1:fda1a5545066

Update Readme

Summary: Ref T15006

Test Plan: We'll test it in prod

Reviewers: #trusted_contributors, chris, tobiaswiese

Reviewed By: #trusted_contributors, chris, tobiaswiese

Subscribers: tobiaswiese, chris

Maniphest Tasks: T15006

Differential Revision: https://we.phorge.it/D25000