The Seventh Enochian Key would be expedient in this matter

Yes, I noticed that also. It may be a genuine oversight, or even deliberate to ensure the reader is paying attention. The line you're referring to is this, is it not: Cormp mian, oali sobam ag DAHSS • ZOH-nuhf • VEE-vuh-deev? • oh-AH-lee • ZOH-bahm • AHGH I am seeking clarification to this...