diff --git a/api-ref/source/apis_recommended/monitoring/monitoring_slow_query_logs.rst b/api-ref/source/apis_recommended/monitoring/monitoring_slow_query_logs.rst
index e2ef19b..cc06ecb 100644
--- a/api-ref/source/apis_recommended/monitoring/monitoring_slow_query_logs.rst
+++ b/api-ref/source/apis_recommended/monitoring/monitoring_slow_query_logs.rst
@@ -38,9 +38,9 @@ GET /v2/{project_id}/instances/{instance_id}/slowlog?curPage={curPage}&perPage={
    +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------+
    | perPage         | Yes             | String          | Number of records displayed on each page                                                 |
    +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------+
-   | startDate       | Yes             | String          | Start time in UTC, accurate to milliseconds                                              |
+   | startDate       | Yes             | String          | Start time. The format is UNIX timestamp, in milliseconds.                               |
    +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------+
-   | endDate         | Yes             | String          | End time in UTC, accurate to milliseconds                                                |
+   | endDate         | Yes             | String          | End time. The format is UNIX timestamp, in milliseconds.                                 |
    |                 |                 |                 |                                                                                          |
    |                 |                 |                 | The interval between the start time and the end time must be no more than 7 days.        |
    +-----------------+-----------------+-----------------+------------------------------------------------------------------------------------------+