fix(docs): Correct typo

docs/content/docs/plugins/plugin-examples/defining-db-entity.md

@@ -39,7 +39,7 @@ import { VendurePlugin } from '@vendure/core';
 import { ProductReview } from './product-review.entity';
 
 @VendurePlugin({
-  entites: [ProductReview],
+  entities: [ProductReview],
 })
 export class ReviewsPlugin {}
 ```