You should see inline and promiscuous options under mpf-policy-map-class mode commands/options when you put an question mark after IPS.

Steve,   You are referring to an old document, in the firepower 6.x you should see a Deploy button next to save.   https://www.cisco.com/c/en/us/td/docs/security/asa/asa99/asdm79/general/asdm-79-general-config/intro-asdm.html#ID-2128-000002b5