diff --git a/src/docs/asciidoc/web/webflux-functional.adoc b/src/docs/asciidoc/web/webflux-functional.adoc
index 69668a9a66..5f43ee3b54 100644
--- a/src/docs/asciidoc/web/webflux-functional.adoc
+++ b/src/docs/asciidoc/web/webflux-functional.adoc
@@ -229,7 +229,7 @@ SecurityManager securityManager = ...
 RouterFunction<ServerResponse> route = ...
 
 RouterFunction<ServerResponse> filteredRoute =
-	route.filter(request, next) -> {
+	route.filter((request, next) -> {
 		if (securityManager.allowAccessTo(request.path())) {
 			return next.handle(request);
 		}