diff --git a/framework-docs/modules/ROOT/pages/web/webflux/config.adoc b/framework-docs/modules/ROOT/pages/web/webflux/config.adoc
index f2c9796bf49f..d09d98a4daeb 100644
--- a/framework-docs/modules/ROOT/pages/web/webflux/config.adoc
+++ b/framework-docs/modules/ROOT/pages/web/webflux/config.adoc
@@ -338,7 +338,7 @@ Kotlin::
 	class WebConfig : WebFluxConfigurer {
 
 		override fun configureHttpMessageCodecs(configurer: ServerCodecConfigurer) {
-			// ...
+			configurer.defaultCodecs().maxInMemorySize(512 * 1024)
 		}
 	}
 ----