Polishing (aligned with 5.1.x)

spring-websocket/src/main/java/org/springframework/web/socket/server/support/OriginHandshakeInterceptor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 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.
@@ -78,6 +78,7 @@ public class OriginHandshakeInterceptor implements HandshakeInterceptor {
 	}
 
 	/**
+	 * Return the allowed {@code Origin} header values.
 	 * @since 4.1.5
 	 * @see #setAllowedOrigins
 	 */