diff --git a/README.md b/README.md
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@@ -1,3 +1,5 @@
+NOTE: WIP; package registration and publication to follow shortly.
+
 # CompressedBeliefMDPs
 
 [![Build Status](https://github.com/JuliaPOMDP/CompressedBeliefMDPs.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/JuliaPOMDP/CompressedBeliefMDPs.jl/actions/workflows/CI.yml?query=branch%3Amain)