javadocs updted

redisson/src/main/java/org/redisson/api/ExecutorOptions.java

@@ -41,8 +41,12 @@ public final class ExecutorOptions {
     }
     
     /**
-     * Defines task retry interval at the end of which task is executed again.
+     * Defines task retry interval at the end of which task
-     * ExecutorService worker re-schedule task execution retry every 5 seconds.
+     * is executed again by ExecutorService worker.
+     * <p>
+     * Counted from the task start moment.
+     * Applied only if the task was in progress but for some reason
+     * wasn't marked as completed (successful or unsuccessful).
      * <p>
      * Set <code>0</code> to disable.
      * <p>