fixup! Update comments on scheduleAfterOutputWouldBeProduced

sdk/src/main/java/com/google/cloud/dataflow/sdk/runners/inprocess/InProcessEvaluationContext.java

@@ -249,8 +249,8 @@ public void add(Iterable<WindowedValue<ElemT>> values) {
    * fired from the perspective of that {@link PValue}, as specified by the value of
    * {@link Trigger#getWatermarkThatGuaranteesFiring(BoundedWindow)} for the trigger of the
    * {@link WindowingStrategy}. When the callback has fired, either values will have been produced
-   * for a key in that window, or the window is empty. The callback will be executed regardless of
-   * weather values have been produced.
+   * for a key in that window, the window is empty, or all elements in the window are late. The
+   * callback will be executed regardless of whether values have been produced.
    */
   public void scheduleAfterOutputWouldBeProduced(
       PValue value,