diff --git a/doc/install-guide/source/environment-packages-rdo.rst b/doc/install-guide/source/environment-packages-rdo.rst
index 1454745ac6..315701fb8a 100644
--- a/doc/install-guide/source/environment-packages-rdo.rst
+++ b/doc/install-guide/source/environment-packages-rdo.rst
@@ -77,6 +77,14 @@ Enable the OpenStack repository
 
   .. end
 
+  **When installing the Rocky release, run:**
+
+  .. code-block:: console
+
+       # yum install centos-release-openstack-rocky
+
+  .. end
+
 * On RHEL, download and install the RDO repository RPM to enable the
   OpenStack repository.