Fix code formatter markers

samples/boot/oauth2-integration/resourceserver/src/main/java/sample/config/ResourceServerConfig.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,7 +27,7 @@ import org.springframework.security.web.SecurityFilterChain;
 @EnableWebSecurity
 public class ResourceServerConfig {
 
-	// formatter:off
+	// @formatter:off
 	@Bean
 	SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 		http
@@ -39,6 +39,6 @@ public class ResourceServerConfig {
 				.jwt();
 		return http.build();
 	}
-	// formatter:on
+	// @formatter:on
 
 }