diff --git a/README.md b/README.md
index 54d5d16036..a9bfe8d196 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,10 @@ For the versions available, see the [tags on this repository](https://github.com
 ### ClusterApi
 https://github.com/aiven/klaw-cluster-api
 
+## Work in progress
+
+The directory `/coral` contains a React app. It's an ongoing rewrite of the existing Klaw frontend. The app Frontend app is not used in Klaw at the moment.
+
 ## Features:
 
 - Topics (approval): Create, Update, Delete, Promote