diff --git a/doc/source/devref/port_crd_usage.rst b/doc/source/devref/port_crd_usage.rst
index 1c2017157..55a074da0 100644
--- a/doc/source/devref/port_crd_usage.rst
+++ b/doc/source/devref/port_crd_usage.rst
@@ -59,7 +59,7 @@ about the Neutron Ports will be stored (or any other SDN).
 Currently, the pods are annotated with the vif information of the port
 assigned to it:
 
-.. code-block::
+.. code-block:: text
 
    "kind": "Pod",
    "metadata": {
diff --git a/doc/source/installation/devstack/ovn_support.rst b/doc/source/installation/devstack/ovn_support.rst
index 464f7cb0d..e798ba100 100644
--- a/doc/source/installation/devstack/ovn_support.rst
+++ b/doc/source/installation/devstack/ovn_support.rst
@@ -74,7 +74,7 @@ Single Node Test Environment
    Once DevStack completes successfully, you should see output that looks
    something like this:
 
-   .. code-block::
+   .. code-block:: console
 
       This is your host IP address: 192.168.5.10
       This is your host IPv6 address: ::1
diff --git a/doc/source/installation/testing_sriov_functional.rst b/doc/source/installation/testing_sriov_functional.rst
index 25405b1a3..55413fce1 100644
--- a/doc/source/installation/testing_sriov_functional.rst
+++ b/doc/source/installation/testing_sriov_functional.rst
@@ -114,7 +114,7 @@ that is expected to be used for SR-IOV ports:
 
    You should see default and eth1 interfaces. eth1 is the SR-IOV VF interface.
 
-   .. code-block::
+   .. code-block:: console
 
       1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
           link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00