[Fix-15927] Polish dependent task docs. (#16342)

* fix 15927

docs/docs/en/guide/task/dependent.md

@@ -43,3 +43,6 @@ And another example is that process A is a weekly report task, processes B and C
 If the weekly report A also needs to be executed successfully last Tuesday:
 
 ![dependent_task03](../../../../img/tasks/demo/dependent_task03.png)
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+> **Note**: The current week and month in the dependency cycle represent the entire cycle within the natural week and month, that is, the current week is from Monday to Sunday, and this month is from the 1st to the current day, and so on.
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docs/docs/zh/guide/task/dependent.md

@@ -44,3 +44,6 @@ Dependent 节点提供了逻辑判断功能，可以按照逻辑来检测所依
 假如，周报 A 同时还需要自身在上周二执行成功：
 
 ![dependent_task03](../../../../img/tasks/demo/dependent_task03.png)
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+> **注意**: 依赖周期中的本周和本月代表的是自然周和自然月内的整个周期，即本周为周一到今天，1 号到 今天 为一个月，以此类推。
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