Polish

Closes gh-12448

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/ReactiveWebServerFactoryConfiguration.java

@@ -45,7 +45,7 @@ abstract class ReactiveWebServerFactoryConfiguration {
 	static class EmbeddedNetty {
 
 		@Bean
-		public NettyReactiveWebServerFactory NettyReactiveWebServerFactory() {
+		public NettyReactiveWebServerFactory nettyReactiveWebServerFactory() {
 			return new NettyReactiveWebServerFactory();
 		}