diff --git a/versioned_docs/version-5.5/02.deploying/03.rancher/03.rancher.md b/versioned_docs/version-5.5/02.deploying/03.rancher/03.rancher.md
index 142f877f..d6de5675 100644
--- a/versioned_docs/version-5.5/02.deploying/03.rancher/03.rancher.md
+++ b/versioned_docs/version-5.5/02.deploying/03.rancher/03.rancher.md
@@ -14,6 +14,10 @@ Note: Only NeuVector deployments through Rancher Extensions (NeuVector) of Ranch
 #### NeuVector UI Extension for Rancher
 Rancher Prime customers are able to easily deploy NeuVector and the NeuVector UI Extension for Rancher. This will enable Prime users to monitor and manage certain NeuVector functions and events directly through the Rancher UI. For community users, please see the Deploy NeuVector section below to deploy from Rancher Apps and Marketplace.
 
+:::warning prerequisite
+The NeuVector core Helm chart must already be deployed on the target cluster before the UI Extension will display anything for it. If NeuVector is not yet installed, complete the [Deploy NeuVector](#deploy-neuvector) steps below first, then return here to install the extension.
+:::
+
 1. The first step is to enable the Rancher Extensions capability globally if it is not already enabled.
 ![extensions](ui0_extensions.png)
 ![enable](ui1_enable.png)