diff --git a/hardware-and-software-requirements.md b/hardware-and-software-requirements.md
index 96186ca94ceea..7630ca12ea4b2 100644
--- a/hardware-and-software-requirements.md
+++ b/hardware-and-software-requirements.md
@@ -34,7 +34,7 @@ In v8.1 LTS, TiDB ensures multi-level quality standards for various combinations
         <td><ul><li>x86_64</li><li>ARM 64</li></ul></td>
       </tr>
       <tr>
-        <td><ul><li>Red Hat Enterprise Linux 7.3 or a later 7.x version</li><li>CentOS 7.3 or a later 7.x version (TiDB ends support for it starting from 8.4 DMR)</li></ul></td>
+        <td><ul><li>Red Hat Enterprise Linux 7.3 or a later 7.x version (TiDB ends support for it starting from 8.4 DMR)</li><li>CentOS 7.3 or a later 7.x version (TiDB ends support for it starting from 8.4 DMR)</li></ul></td>
         <td><ul><li>x86_64</li><li>ARM 64</li></ul></td>
       </tr>
       <tr>
@@ -68,6 +68,7 @@ In v8.1 LTS, TiDB ensures multi-level quality standards for various combinations
     >
     > - According to [CentOS Linux EOL](https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-and-centos-linux-7/), the upstream support for CentOS Linux 7 ends on June 30, 2024. TiDB ends the support for CentOS 7 starting from the 8.4 DMR version. It is recommended to use Rocky Linux 9.1 or a later version.
     > - According to [CentOS Linux EOL](https://www.centos.org/centos-linux-eol/), the upstream support for CentOS Linux 8 ended on December 31, 2021. The upstream [support for CentOS Stream 8](https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-and-centos-linux-7/) ended on May 31, 2024. CentOS Stream 9 continues to be supported by the CentOS organization.
+    > - According to [Red Hat Enterprise Linux Life Cycle](https://access.redhat.com/support/policy/updates/errata/#Life_Cycle_Dates), the maintenance support for Red Hat Enterprise Linux 7 ends on June 30, 2024. TiDB ends the support for Red Hat Enterprise Linux 7 starting from the 8.4 DMR version. It is recommended to use Rocky Linux 9.1 or a later version.
 
 + For the following combinations of operating systems and CPU architectures, you can compile, build, and deploy TiDB. In addition, you can also use the basic features of OLTP, OLAP, and the data tools. However, TiDB **does not guarantee enterprise-level production quality**: