docs: small fix for previous release number on main page

version in quotes is not displayed and little reordering for changelog, small fix for Rocky naming and little update information in troubleshooting article (add detail about OVS).

Change-Id: I61c63fd74df47eb387239cd65d0ffd0ae6c216df
Signed-off-by: Ivan Anfimov <lazekteam@gmail.com>

doc/source/admin/troubleshooting.rst

@@ -215,7 +215,7 @@ The following table lists the commands to restart an OpenStack service.
           # systemctl restart neutron-metadata-agent
           # systemctl restart neutron-openvswitch-agent
 
-   * - Networking service (compute node)
+   * - Networking service (compute node, for OVS)
      - .. code-block:: console
 
           # systemctl restart neutron-openvswitch-agent
@@ -320,7 +320,6 @@ containers, VXLAN overlay for ML2/OVS and Geneve overlay for the ML2/OVN driver.
                                   +->"If VLAN"+->+   br-vlan   +--->+    bond1    +-----+
                                                  +-------------+    +-------------+
 
-
 Preliminary troubleshooting questions to answer:
 ------------------------------------------------
 
@@ -494,7 +493,6 @@ No:
     - Ensure ovn-metadata-agent is active.
     - Review logs for ovn-controller, ovn-northd.
 
-
 Yes:
     - Good! The instance can ping its intended gateway.
     - Check gateway or host routes on the Neutron subnet.

doc/source/admin/upgrades/os-compatibility-matrix.html

@@ -109,7 +109,7 @@
         <td>✘</td><!-- CentOS 10s -->
         <td>✔</td><!-- Debian 11 -->
         <td>✔</td><!-- Debian 12 -->
-        <td>✔</td><!-- RockyLinux 9 -->
+        <td>✔</td><!-- Rocky Linux 9 -->
         <td>✘</td><!-- Rocky Linux 10 -->
     </tr>
     <tr>

doc/source/index.rst

@@ -9,7 +9,7 @@ OpenStack-Ansible provides Ansible playbooks and roles for deploying
 and configuring an OpenStack environment.
 
 Documentation for all previous releases is available by substituting ``latest``
-with an expected release (i.e. ``|previous_series_name|``) directly in the address bar (URL)
+with an expected release (i.e., |previous_series_name|) directly in the address bar (URL)
 of your browser.
 
 Support status for each OpenStack release can be found on `releases.openstack.org <https://releases.openstack.org/>`_.