diff --git a/content/rancher/v2.x/en/catalog/_index.md b/content/rancher/v2.x/en/catalog/_index.md
index a827d3d9ba7..35fed1613b9 100644
--- a/content/rancher/v2.x/en/catalog/_index.md
+++ b/content/rancher/v2.x/en/catalog/_index.md
@@ -45,7 +45,7 @@ When you create a custom catalog, you will have to configure the catalog to use
 
 When you launch a new app from a catalog, the app will be managed by the catalog's Helm version. A Helm 2 catalog will use Helm 2 to manage all of the apps, and a Helm 3 catalog will use Helm 3 to manage all apps.
 
-By default, catalogs are assumed to be deployed using Helm 2. If you run an app in Rancher prior to v2.4.0, then upgrade to Rancher v2.4.0+, the app will still be managed by Helm 2.
+By default, catalogs are assumed to be deployed using Helm 2. If you run an app in Rancher prior to v2.4.0, then upgrade to Rancher v2.4.0+, the app will still be managed by Helm 2. If the app was already using a Helm 3 Chart (API version 2) it will no longer work in v2.4.0+, you must either downgrade the chart's API version or recreate the catalog to use Helm 3.
 
 Charts that are specific to Helm 2 should only be added to a Helm 2 catalog, and Helm 3 specific charts should only be added to a Helm 3 catalog.