updated disconnected installation section

Closes: #150
Signed-off-by: Robert Guske <robert.guske@gmail.com>

Author: rguske

content/cluster-installation/disconnected/disconnected-installation.md

@@ -1302,7 +1302,7 @@ status: {}
 The update service will be available after applying the configuration but it'll not trust your registry. Therefore, a ConfigMap with the root certificate of yopur mirror registry needs to be created.
 
 Docs: [Configuring access to a secured registry for the OpenShift Update Service](https://docs.redhat.com/en/documentation/openshift_container_platform/4.21/html/disconnected_environments/updating-a-cluster-in-a-disconnected-environment#registry-configuration-for-update-service_updating-disconnected-cluster-osus)
-Docs: [Configuring additional trust stores for image registry access ](https://docs.redhat.com/en/documentation/openshift_container_platform/4.21/html-single/registry/index#images-configuration-cas_configuring-registry-operator)
+Docs: [Configuring additional trust stores for image registry access](https://docs.redhat.com/en/documentation/openshift_container_platform/4.21/html-single/registry/index#images-configuration-cas_configuring-registry-operator)
 
 You can add references to a config map that has additional certificate authorities (CAs) to be trusted during image registry access to the `image.config.openshift.io/cluster` custom resource (CR).