Match the OpenGraph protocol markup

https://ogp.me/ suggests to use the attribute `property` instead of `name` for defining its properties

docs/content/1.getting-started/5.seo-meta.md

@@ -234,7 +234,7 @@ And then in your layout file, you might use the route's metadata you have previo
 const route = useRoute()
 
 useHead({
-  meta: [{ name: 'og:title', content: `App Name - ${route.meta.title}` }]
+  meta: [{ property: 'og:title', content: `App Name - ${route.meta.title}` }]
 })
 </script>
 ```