Correct explanation of example patterns

Issue: SPR-15240
(cherry picked from commit e1bb697)

spring-context/src/main/java/org/springframework/scheduling/support/CronSequenceGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,8 +42,8 @@ import org.springframework.util.StringUtils;
  * <li>"0 0 * * * *" = the top of every hour of every day.</li>
  * <li>"*&#47;10 * * * * *" = every ten seconds.</li>
  * <li>"0 0 8-10 * * *" = 8, 9 and 10 o'clock of every day.</li>
- * <li>"0 * 6,19 * * *" = 6:00 AM and 7:00 PM every day.</li>
- * <li>"0 0/30 8-10 * * *" = 8:00, 8:30, 9:00, 9:30 and 10 o'clock every day.</li>
+ * <li>"0 0 6,19 * * *" = 6:00 AM and 7:00 PM every day.</li>
+ * <li>"0 0/30 8-10 * * *" = 8:00, 8:30, 9:00, 9:30, 10:00 and 10:30 every day.</li>
  * <li>"0 0 9-17 * * MON-FRI" = on the hour nine-to-five weekdays</li>
  * <li>"0 0 0 25 12 ?" = every Christmas Day at midnight</li>
  * </ul>