--- a/jdk/src/share/classes/java/util/stream/LongStream.java	Tue Aug 06 16:01:39 2013 -0700
+++ b/jdk/src/share/classes/java/util/stream/LongStream.java	Fri Jun 28 16:26:54 2013 -0400
@@ -517,7 +517,7 @@
     long count();
 
     /**
-     * Returns an {@code OptionalDouble} describing the average of elements of
+     * Returns an {@code OptionalDouble} describing the arithmetic mean of elements of
      * this stream, or an empty optional if this stream is empty.  This is a
      * special case of a
      * <a href="package-summary.html#MutableReduction">reduction</a>.