diff --git a/docs/src/pages/addons/writing-addons/index.md b/docs/src/pages/addons/writing-addons/index.md
index 02bbe782207..f675ea18b40 100644
--- a/docs/src/pages/addons/writing-addons/index.md
+++ b/docs/src/pages/addons/writing-addons/index.md
@@ -74,8 +74,8 @@ const PANEL_ID = `${ADDON_ID}/panel`;
 
 const MyPanel = () => {
   const value = useParameter(PARAM_KEY, null);
-  
-  return <div>{value}</div>;
+  const item = value ? value.data : "";
+  return <div>{item}</div>;
 }
 
 addons.register(ADDON_ID, api => {