diff --git a/articles/upgrading/index.adoc b/articles/upgrading/index.adoc
index 207884fe6d..b35a115d35 100644
--- a/articles/upgrading/index.adoc
+++ b/articles/upgrading/index.adoc
@@ -532,6 +532,9 @@ If you have a Prime or Ultimate subscription, you can continue to use Polymer te
 
 Then you'll need to update all imports of the `PolymerTemplate` classes to the new coordinates: `com.vaadin.flow.component.polymertemplate.PolymerTemplate`.
 
+==== Limitations
+
+Even with the PolymerTemplate Addon, you cannot use the Polymer-based TemplateRenderer; instead <<{articles}/components/grid/renderers#using-lit-renderers#,LitRenderer>> is required. Additionally, if the Polymer template relies on Vaadin component imports and APIs, these may need to be updated.
 
 === Polymer to Lit Conversion Tool