diff --git a/doc/admin-guide/source/cli-nova-manage-projects-security.rst b/doc/admin-guide/source/cli-nova-manage-projects-security.rst
index 35fe6654d6..af8e2df154 100644
--- a/doc/admin-guide/source/cli-nova-manage-projects-security.rst
+++ b/doc/admin-guide/source/cli-nova-manage-projects-security.rst
@@ -168,13 +168,13 @@ Delete a security group
 
    .. code-block:: console
 
-      $ nova secgroup-delete GroupName
+      $ openstack security group delete GROUPNAME
 
    For example:
 
    .. code-block:: console
 
-      $ nova secgroup-delete global_http
+      $ openstack security group delete global_http
 
 Create security group rules for a cluster of instances
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/doc/ops-guide/source/ops-user-facing-operations.rst b/doc/ops-guide/source/ops-user-facing-operations.rst
index 8e56cea133..08446b09b9 100644
--- a/doc/ops-guide/source/ops-user-facing-operations.rst
+++ b/doc/ops-guide/source/ops-user-facing-operations.rst
@@ -597,7 +597,7 @@ additive:
 
 The inverse operation is called :command:`nova secgroup-delete-rule`, using the
 same format. Whole security groups can be removed with
-:command:`nova secgroup-delete`.
+:command:`openstack security group delete`.
 
 To create security group rules for a cluster of instances, you want to
 use SourceGroups.
diff --git a/doc/user-guide/source/cli-nova-configure-access-security-for-instances.rst b/doc/user-guide/source/cli-nova-configure-access-security-for-instances.rst
index ea9ee83cbc..a7b74808c1 100644
--- a/doc/user-guide/source/cli-nova-configure-access-security-for-instances.rst
+++ b/doc/user-guide/source/cli-nova-configure-access-security-for-instances.rst
@@ -127,7 +127,7 @@ Create and manage security groups
 
    .. code-block:: console
 
-      $ nova secgroup-delete SECURITY_GROUP_NAME
+      $ openstack security group delete SECURITY_GROUP_NAME
 
 .. note::