Fix javadoc checkstyle issues

Fix checkstyle violations for javadoc.

Issue: SPR-16968

spring-aspects/src/main/java/org/springframework/context/annotation/aspectj/SpringConfiguredConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -39,6 +39,9 @@ import org.springframework.context.annotation.Role;
 @Configuration
 public class SpringConfiguredConfiguration {
 
+	/**
+	 * The bean name used for the configurer aspect.
+	 */
 	public static final String BEAN_CONFIGURER_ASPECT_BEAN_NAME =
 			"org.springframework.context.config.internalBeanConfigurerAspect";