docs(aio): typo in metadata guide (#18730)

PR Close #18730

aio/content/guide/metadata.md

@@ -16,7 +16,7 @@ In the following example, the `@Component()` metadata object and the class const
 ```typescript
 @Component({
   selector: 'app-typical',
-  template: 'div>A typical component for {{data.name}}</div>
+  template: '<div>A typical component for {{data.name}}</div>'
 )}
 export class TypicalComponent {
   @Input() data: TypicalData;