Add link to openshift docs in port input

Signed-off-by: divyansh42 <[email protected]>

README.md

@@ -34,7 +34,7 @@ It creates a Deployment which runs the application Pod, and then exposes that po
 | image | The fully qualified name of the application image. | **Must be provided** |
 | image_pull_secret_name | In the case of private images, provide the image pull secret name if you have already created that. Otherwise, see [using-private-images](#using-private-images). | None
 | namespace | OpenShift project/Kubernetes namespace to target. | Current context |
-| port | A port to expose from the application container through a Service. If exactly one port is exposed in the container metadata, then this input can be omitted. | None |
+| port | A port to expose from the application container through a Service. If exactly one port is exposed in the container metadata, then this input can be omitted. For more details [see](https://docs.openshift.com/container-platform/4.7/applications/application_life_cycle_management/creating-applications-using-cli.html#applications-create-using-cli-modify_creating-applications-using-cli). | None |
 | registry_hostname | The Hostname/domain of the container image registry such as quay.io, or docker.io that a private container image will be pulled from. The pull secret is used to access this registry. See [using-private-images](#using-private-images). | None
 | registry_username | Registry username to use for the pull secret. | None
 | registry_password | Password, encrypted password, or access token of the provided registry to use for the pull secret. | None