Fix bootMenuWarning warning text
Fix bootMenuWarning warning text

Follow-up for: https://github.com/oVirt/ovirt-web-ui/pull/560

oVirt/ovirt-web-ui,mareklibra/userportal,oVirt/ovirt-web-ui,mareklibra/userportal,oVirt/ovirt-web-ui,mareklibra/userportal,mareklibra/userportal