cs: fix sample text for delegating CA
cs: fix sample text for delegating CA

The sample text was delegated instead of delegating.

GitOrigin-RevId: 6b62114ac20503ff0ffc02212b01d0594be85988

netsec-ethz/scion,netsec-ethz/scion,netsec-ethz/scion,netsec-ethz/scion