Documentation updates after f1aa7ba0.

core/src/main/java/hudson/model/Queue.java

@@ -652,12 +652,12 @@ public class Queue extends ResourceController implements Saveable {
      * Like {@link #getItems()}, but returns an approximation that might not be completely up-to-date.
      *
      * <p>
-     * At the expense of accuracy, this method does not lock {@link Queue} and therefore is faster
+     * At the expense of accuracy, this method does not usually lock {@link Queue} and therefore is faster
      * in a highly concurrent situation.
      *
      * <p>
      * The list obtained is an accurate snapshot of the queue at some point in the past. The snapshot
-     * is updated and normally no less than one second old, but this is a soft commitment that might
+     * is updated and normally no more than one second old, but this is a soft commitment that might
      * get violated when the lock on {@link Queue} is highly contended.
      *
      * <p>

core/src/main/resources/lib/hudson/queue.jelly

@@ -28,7 +28,7 @@ THE SOFTWARE.
     Displays the build queue as <l:pane>
 
     <st:attribute name="items" use="required">
-      Queue items to be displayed. Normally you should specify ${app.queue.items},
+      Queue items to be displayed. Normally you should specify ${app.queue.approximateItemsQuickly},
       but for example you can specify a sublist after some filtering to narrow down
       the list.
     </st:attribute>