Currently the links to the documentation in the control-panel point to:
https://backstage.forgerock.com/docs/opendj https://backstage.forgerock.com/docs/opendj/4.0.0-SNAPSHOT/admin-guide
But should point to:
https://backstage.forgerock.com/docs/ds https://backstage.forgerock.com/docs/ds/5/admin-guide