diff --git a/doc/source/install/controller-install-rdo.rst b/doc/source/install/controller-install-rdo.rst
index 37a3c3e4e0..076ecaf200 100644
--- a/doc/source/install/controller-install-rdo.rst
+++ b/doc/source/install/controller-install-rdo.rst
@@ -12,7 +12,7 @@ Additionally, you can install and configure the proxy service on multiple
 nodes to increase performance and redundancy. For more information, see the
 `Deployment Guide <https://docs.openstack.org/swift/latest/deployment_guide.html>`__.
 
-This section applies to Red Hat Enterprise Linux 7 and CentOS 7.
+This section applies to Red Hat Enterprise Linux 9 and CentOS stream9.
 
 .. include:: controller-common_prerequisites.txt
 
@@ -31,8 +31,8 @@ Install and configure components
 
    .. code-block:: console
 
-      # yum install openstack-swift-proxy python-swiftclient \
-        python-keystoneclient python-keystonemiddleware \
+      # dnf install openstack-swift-proxy python3-swiftclient \
+        python3-keystoneclient python3-keystonemiddleware \
         memcached
 
    .. note::
diff --git a/doc/source/install/finalize-installation-rdo.rst b/doc/source/install/finalize-installation-rdo.rst
index 5514be149c..ec6b115061 100644
--- a/doc/source/install/finalize-installation-rdo.rst
+++ b/doc/source/install/finalize-installation-rdo.rst
@@ -11,7 +11,7 @@ Finalize installation for Red Hat Enterprise Linux and CentOS
    snippets indicates potential default configuration options that you
    should retain.
 
-This section applies to Red Hat Enterprise Linux 7 and CentOS 7.
+This section applies to Red Hat Enterprise Linux 9 and CentOS stream9.
 
 #. Obtain the ``/etc/swift/swift.conf`` file from the Object
    Storage source repository:
diff --git a/doc/source/install/storage-install-rdo.rst b/doc/source/install/storage-install-rdo.rst
index 842b1c849d..c032d8e35c 100644
--- a/doc/source/install/storage-install-rdo.rst
+++ b/doc/source/install/storage-install-rdo.rst
@@ -16,7 +16,7 @@ indicate the best performance and reliability on XFS. For
 more information on horizontally scaling your environment, see the
 `Deployment Guide <https://docs.openstack.org/swift/latest/deployment_guide.html>`_.
 
-This section applies to Red Hat Enterprise Linux 7 and CentOS 7.
+This section applies to Red Hat Enterprise Linux 9 and CentOS stream9.
 
 Prerequisites
 -------------
@@ -32,7 +32,7 @@ storage nodes, you must prepare the storage devices.
 
    .. code-block:: console
 
-      # yum install xfsprogs rsync
+      # dnf install xfsprogs rsync
 
 #. Format the ``/dev/sdb`` and ``/dev/sdc`` devices as XFS:
 
@@ -131,7 +131,7 @@ Install and configure components
 
    .. code-block:: console
 
-      # yum install openstack-swift-account openstack-swift-container \
+      # dnf install openstack-swift-account openstack-swift-container \
         openstack-swift-object
 
 2. Obtain the accounting, container, and object service configuration