Fix HtmlController example

README.adoc

@@ -580,8 +580,7 @@ class HtmlController(private val repository: ArticleRepository,
 
 		@GetMapping("/")
 		fun blog(model: Model): String {
-			model["title"] = properties.title
-			model["banner"] = properties.banner
+			model["title"] = "Blog"
 			model["articles"] = repository.findAllByOrderByAddedAtDesc().map { it.render() }
 			return "blog"
 		}