Polish contribution

Closes gh-7462

spring-boot/src/main/java/org/springframework/boot/context/embedded/undertow/FileSessionPersistence.java

 /*
- * Copyright 2012-2015 the original author or authors.
+ * Copyright 2012-2016 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.
@@ -36,6 +36,7 @@ import org.springframework.core.ConfigurableObjectInputStream;
  * {@link SessionPersistenceManager} that stores session information in a file.
  *
  * @author Phillip Webb
+ * @author Peter Leibiger
  * @since 1.3.0
  */
 public class FileSessionPersistence implements SessionPersistenceManager {