--- a/jdk/src/java.base/share/classes/java/nio/file/ClosedWatchServiceException.java	Wed Mar 15 08:09:43 2017 +0800
+++ b/jdk/src/java.base/share/classes/java/nio/file/ClosedWatchServiceException.java	Tue Mar 14 19:23:37 2017 -0700
@@ -28,6 +28,8 @@
 /**
  * Unchecked exception thrown when an attempt is made to invoke an operation on
  * a watch service that is closed.
+ *
+ * @since 1.7
  */
 
 public class ClosedWatchServiceException