minor fixes (google#565)

Author: dmandar

samples/client/lit/contact/README.md

@@ -10,13 +10,12 @@ This is a UI to generate and visualize A2UI responses.
 
 This sample depends on the Lit renderer. Before running this sample, you need to build the renderer.
 
-   cd ../../../renderers/web_core
-   npm install
-   npm run build
-   cd ../lit
+1. **Build the renderer:**
+   ```bash
+   cd ../../../renderers/lit
    npm install
    npm run build
-   
+   ```
 
 2. **Run this sample:**
    ```bash

samples/client/lit/contact/client.ts

@@ -45,7 +45,7 @@ export class A2UIClient {
     const finalMessage = {
       ...message,
       metadata: {
-        inlineCatalog: catalog,
+        inlineCatalogs: [catalog],
       },
     };