diff -r 08210fe86260 -r 7d0a94c79779 jdk/src/share/classes/java/util/concurrent/atomic/AtomicLongFieldUpdater.java
--- a/jdk/src/share/classes/java/util/concurrent/atomic/AtomicLongFieldUpdater.java	Thu Jul 25 09:59:55 2013 -0700
+++ b/jdk/src/share/classes/java/util/concurrent/atomic/AtomicLongFieldUpdater.java	Thu Jul 25 19:37:37 2013 +0100
@@ -71,6 +71,7 @@
      *
      * @param tclass the class of the objects holding the field
      * @param fieldName the name of the field to be updated
+     * @param <U> the type of instances of tclass
      * @return the updater
      * @throws IllegalArgumentException if the field is not a
      * volatile long type