diff --git a/docs/content/en/docs/crd-ref/_index.md b/docs/content/en/docs/crd-ref/_index.md
index 244f9b848be..23e517ce9ce 100644
--- a/docs/content/en/docs/crd-ref/_index.md
+++ b/docs/content/en/docs/crd-ref/_index.md
@@ -8,3 +8,8 @@ hidechildren: false # this flag hides all sub-pages in the sidebar-multicard.htm
 This section provides comprehensive reference information about the
 [Custom Resource Definitions (CRDs)](https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/)
 that are defined for the Keptn Lifecycle Toolkit.
+
+**NOTE: This section is under development.
+Information that is published here has been reviewed for technical accuracy
+but the format and content is still evolving.
+We welcome your input!**