diff --git a/doc/source/guides/devstack-with-lbaas-v2.rst b/doc/source/guides/devstack-with-lbaas-v2.rst
index 1cd85b4..669a70d 100644
--- a/doc/source/guides/devstack-with-lbaas-v2.rst
+++ b/doc/source/guides/devstack-with-lbaas-v2.rst
@@ -39,7 +39,7 @@
     # If you are enabling horizon, include the octavia dashboard
     # enable_plugin octavia-dashboard https://opendev.org/openstack/octavia-dashboard.git
     # If you are enabling barbican for TLS offload in Octavia, include it here.
-    # enable_plugin barbican https://github.com/openstack/barbican.git
+    # enable_plugin barbican https://opendev.org/openstack/barbican
 
     # If you have python3 available:
     # USE_PYTHON3=True
diff --git a/doc/source/guides/nova.rst b/doc/source/guides/nova.rst
index 2271e23..5b42797 100644
--- a/doc/source/guides/nova.rst
+++ b/doc/source/guides/nova.rst
@@ -10,7 +10,7 @@
 ================
 
 In Juno, nova implemented a `spec
-<http://specs.openstack.org/openstack/nova-specs/specs/juno/implemented/serial-ports.html>`_
+<https://specs.openstack.org/openstack/nova-specs/specs/juno/implemented/serial-ports.html>`_
 to allow read/write access to the serial console of an instance via
 `nova-serialproxy
 <https://docs.openstack.org/nova/latest/cli/nova-serialproxy.html>`_.
@@ -63,7 +63,7 @@
 Enabling the service is enough to be functional for a single machine DevStack.
 
 These config options are defined in `nova.conf.serial_console
-<https://github.com/openstack/nova/blob/master/nova/conf/serial_console.py>`_.
+<https://opendev.org/openstack/nova/src/master/nova/conf/serial_console.py>`_.
 
 For more information on OpenStack configuration see the `OpenStack
 Compute Service Configuration Reference
diff --git a/doc/source/guides/single-vm.rst b/doc/source/guides/single-vm.rst
index 8ebf2a6..7dac18b 100644
--- a/doc/source/guides/single-vm.rst
+++ b/doc/source/guides/single-vm.rst
@@ -78,7 +78,7 @@
 to create a non-root user and run the ``start.sh`` script as that user.
 
 If you are using cloud-init and you have not
-`enabled custom logging <../configuration.html#enable-logging>`_ of the stack
+:ref:`enabled custom logging <enable_logging>` of the stack
 output, then the stack output can be found in
 ``/var/log/cloud-init-output.log`` by default.