Apply suggestions from code review

Author: hfxsd

releases/release-8.5.6.md

@@ -128,6 +128,7 @@ For TiDB clusters newly deployed in v8.5.5 (that is, not upgraded from versions
     - Improve plan selection for queries with `IN` predicates on index prefix columns. TiDB can now use merge sort to preserve order for `ORDER BY ... LIMIT` queries, reducing unnecessary scans and improving performance. [#63449](https://github.com/pingcap/tidb/issues/63449) [#34882](https://github.com/pingcap/tidb/issues/34882) @[time-and-fate](https://github.com/time-and-fate) **tw@hfxsd** <!--2414-->
     - Support column-level privileges in `GRANT` and `REVOKE` [#61706](https://github.com/pingcap/tidb/issues/61706) @[CbcWestwolf](https://github.com/CbcWestwolf)
     - Improve the performance of privilege update operations such as `GRANT` and `REVOKE` in deployments with a large number of column-level privilege entries [#61706](https://github.com/pingcap/tidb/issues/61706) @[CbcWestwolf](https://github.com/CbcWestwolf)
+    - Improve slow query log readability by outputting non-printable prepared statement arguments as hexadecimal values [#65383](https://github.com/pingcap/tidb/issues/65383) @[dveeden](https://github.com/dveeden)
 
 + TiKV <!--tw@qiancai: 4 notes-->
 
@@ -169,7 +170,6 @@ For TiDB clusters newly deployed in v8.5.5 (that is, not upgraded from versions
     - Fix the issue that after executing `EXCHANGE PARTITION`, non-unique global indexes or nullable unique global indexes on non-clustered partitioned tables might become inconsistent and return incomplete results [#65289](https://github.com/pingcap/tidb/issues/65289) @[mjonss](https://github.com/mjonss)
     - Fix the issue that `KILL QUERY` might incorrectly terminate idle connections [#65447](https://github.com/pingcap/tidb/issues/65447) @[gengliqi](https://github.com/gengliqi)(https://github.com/CbcWestwolf) <!--tw@hfxsd: the following 8 notes-->
     - Add `cluster_id` to `mysql.tidb`, enabling external tools to determine whether two TiDB instances belong to the same cluster [#59476](https://github.com/pingcap/tidb/issues/59476) @[YangKeao](https://github.com/YangKeao)
-    - Improve slow query log readability by outputting non-printable prepared statement arguments as hexadecimal values [#65383](https://github.com/pingcap/tidb/issues/65383) @[dveeden](https://github.com/dveeden)
     - Fix the issue that the value of `tidb_service_scope` is not converted to lowercase when set [#66749](https://github.com/pingcap/tidb/issues/66749) @[D3Hunter](https://github.com/D3Hunter)
     - Fix the issue that affinity tables are not displayed after TiDB restarts [#66284](https://github.com/pingcap/tidb/issues/66284) @[lcwangchao](https://github.com/lcwangchao)
     - Fix the issue that the Stats Healthy metric displays inaccurately because system tables are not excluded from the stats cache [#64080](https://github.com/pingcap/tidb/issues/64080) @[ti-chi-bot](https://github.com/ti-chi-bot)